Concentric circles formula

Video: Equations of Concentric Circles Circle having same

Concentric circles - Mat

  1. Two circles or more than that are said to be concentric if they have the same centre but different radii. Let, x 2 + y 2 + 2gx + 2fy + c = 0 be a given circle having centre at (- g, - f) and radius = g 2 + f 2 − c. Therefore, the equation of a circle concentric with the given circle x 2 + y 2 + 2gx + 2fy + c = 0 is x 2 + y 2 + 2gx + 2fy + c' =
  2. Concentric circles will never intersect, and the distance between any two concentric circles is the same all the way around. The area of the region between two concentric circles in the same plane is called the annulus. The area of an annulus can be calculated with the formula: A = π (R 2 - r 2
  3. What is the Formula of Concentric Circle. Circles with a shared nucleus are concentric circles. An annulus is considered the area between two concentric circles of varying radii. By choosing the inversion centre as one of the limiting points, any two circles can be made concentric by inversion. Concentric circles are essentially circles with.

Concentric Circle Equations We know that the equation of circle with centre (-g, -f) and radius √ [g 2 +f 2 -c] is x2 + y2 + 2gx + 2fy + c =0. So, the equation of concentric circle is: x2 + y2 + 2gx + 2fy + c' = The diagram below represents concentric circles and the shaded part represents the area of the ring. The area is the difference between the big circle and the small circle. For the smaller circle, the radius = r = OA. For the bigger circle, the radius = R = OB The circular path is the region between two concentric circles. If the radii of the outer circle and inner circle are r 1 and r 2 respectively,then. Breadth (or width) of the circular path = Outer radius - Inner radius. = r 1 - r 2. Area of circular path = Area of the bigger circle - Area of the smaller circle The set of all points in a plane that are equidistant from a fixed point, defined as the center, is called a circle. Formulas involving circles often contain a mathematical constant, pi, denoted as π; π ≈ 3.14159. π is defined as the ratio of the circumference of a circle to its diameter Equation of the circle is. x^2+y^2-4x+6y-3=0 or. (x-2)^2+(y+3)^2-4-9-3=0. or. (x-2)^2+(y+3)^2= (4)^2. , thus center O is (2,-3) and radius (r) is 4 units. 1st part. Center of the concentric circle is (2,-3) and radius of this circle=2.r=2×4 =8 uni..

What is the Formula of Concentric Circle? - BYJU'

  1. Concentricity is considered the circular form of GD&T symmetry. While symmetry measured the true midpoint plane of a feature to a datum plane or axis, concentricity measures the derived midpoint axis to a datum axis. Both are notoriously difficult to measure. Runout is a combination of concentricity and circularity. Runout = Circularity.
  2. Check out us at:http://math.tutorvista.com/geometry/circle.htmlConcentric Circles DefinitionConcentric circles are circles through a general center. The regi..
  3. How the radius and arc are smaller in a smaller concentric circle than the larger circle it is inside of. #19
  4. Formula ; Code; The ring-shaped object is called as the annulus (i.e.,) the area surrounded by two concentric circles. It can also be termed as annular. The given below is the annulus area calculator to calculate the annular area with ease. This tool performs annulus (annular) area calculation based on the inputs of the radius of the outer.
  5. The five concentric circles characterize the hierarchical levels of the design process, with increasing abstraction from the inner to the outer circle. Each circle characterizes a model, and the models thus characterized are specific to the three domains. • Behavior: describes the functional behavior of the system 1. Specification. 2.
  6. Concentric circles equation will help you in solving example questions. Given that two concentric circles with the same center and different radii. Let us consider a circle with center (-g, -f) and radius (g 2 + f 2 − c) Therefore, the equation for the given circle will be x2 + y2 + 2gx + 2fy + c =
  7. A regular hexagon of side 4 cm has a circle inscribed and another circumscribed around its shape. Find the area enclosed between these two concentric circles. Two radii (plural for radius) OA and OB form an angle of 60° for two concentric circles with 8 and 5 cm radii. Calculate the area of the circular trapezoid formed by the radii and.

Concentric Circles: Definition, Meaning, Equations & Mor

Correct option is B. x 2 + y 2 - 3x + 4y = 0. Given that we need to find the equation of the circle which is concentric with x 2 + y 2 - 3x + 4y - c = 0 and passing through (- 1, - 2).. We know that concentric circles will have same centre the number of fibers that fits in a connector. and similar applications. Input. the inside diameter of an outer larger circle (or pipe, tube, conduit, connector), and. the outside diameters of small circles (or pipes, wires, fiber) The default values are for a 10 inch pipe with 2 inch smaller pipes - dimensions according ANSI Schedule 40 Steel. The epicentral question in the various concentric circles of interests is: how do we make Nigeria's foreign policy more constructive in design and beneficial in outcome to the good people of Nigeria Omotere Tope (2011), employed the Concentric Circles theory in his seminal work; He posits that, Analysis of Nigeria's foreign policy shows. So, the equation of the Circle that is concentric with the other Circle is. x2 + y2 + 2gx + 2fy + c' =0. It is very clear that both the equations come with a common center (-g, -f), but they have different radii, where c≠ c', which is a necessary condition for the circles to be concentric

Concentric circles - AllCalculations

  1. The general equation of the circle can be given as x2 + y2 + 2gx + 2fy + c = 0. However, the equation contains three unknown figures i.e. g, f and c so we require at least three conditions to get a unique circle. For instance, if we are given two circles and we need to resolve the third circle touching the rest both the circles
  2. Chord passing through concentric circles. A chord A B of one of two concentric circles at intersect each other at C and D. We have to prove, A C = B D. I am not sure what this question means by 'intersect each other', but if I am correct, we can assume that A B is the chord of the outer circle that intersects the inner one at C and D
  3. Create a name, Theta, with a scope of the active worksheet, and assign it the formula = (ROW (INDIRECT (1:361))-1)*PI ()/180. This creates 361 values going from 0 to 2*PI radians. In Figure 2, the active worksheet is named Sheet1. Figure
  4. e the area of circular rings
  5. Concentric circles are simply circles that all have the same center. They fit inside each other and are the same distance apart all the way around. In the figure above, resize either circle by dragging an orange dot and see that they both always have a common center point
Circles In Geometry, Basic Introduction - Circumference

Let us assume the radius of the concentric circle be r 2. We know that the area of the circle is πr 2. Now, ⇒ Area of concentric circle = 2 × area of the first circle. Comparing with (ii) with (1), we get. Substituting c value in (ii), we get ⇒ x 2 + y 2 - 6x + 12y - 15 = 0. ∴ The equation of the concentric circle is. x 2 + y 2 - 6x. Lesson Summary. Concentric circles are circles that share a common midpoint. An easy way to think of them is the circles on a dartboard that are all centered around the bullseye. If circles have. The area between the two given concentric circles can be calculated by subtracting the area of the inner circle from the area of the outer circle. Since X>Y. X is the radius of the outer circle. Therefore, area between the two given concentric circles will be: π*X 2 - π*Y 2. Below is the implementation of the above approach

equation: x2 + y2 + 4x - 8y - 6 =0And we already know that the equation of the circle is x2 + y2 + 2gx + 2fy + c =0So, from the given equation, the center point of the circles will be(-2, 4)So, the radius of the given equation will be as follows.r = √[g2+f2-c]r = √[4+16+6]r = √26Let us assume R is the radius of the concentric Circle. Methods of constructing Ellipse include: i Concentric circles method ii The focal point method iii The rectangular method. (i) Draw AB and CD, the given axes. (ii) With C as centre, radius half the major axis, draw an arc cutting AB at the foci F1 and F2 into a number of equal parts, numbering as shown Learn how to find the area between two concentric circles, and see examples that walk through sample problems step-by-step for you to improve your math knowledge and skills Area and Circumference of Circular Ring - formula The area enclosed between two concentric circle is 7 7 0 c m 2. If the radius of the outer circle is 2 1 c m, calculate the radius of the inner circle. Easy. View solution. Find the area of the shaded portion in the above figure: Medium Concentric Circles Problems, 2. If a small circle is tangent to the chord of a big circle, then the chord is bisected at the point of tangency. The radii of two circles are perpendicular to the point of tangency. To analyze more the problem, it is better to label further the figure as follows

What is Circles?: Definition, Shape, Formula, Type

Circle formula - Mat

What is the equation of a circle which is concentric with

In mathematics, an annulus (plural annuli or annuluses) is the region between two concentric circles.Informally, it is shaped like a ring or a hardware washer.The word annulus is borrowed from the Latin word anulus or annulus meaning 'little ring'. The adjectival form is annular (as in annular eclipse).. The open annulus is topologically equivalent to both the open cylinder S 1 × (0,1) and. The equation of the circle that is concentric with the circle x2 +2x+y-8y+14=0, and touches the y-axis, is Select one: O ax?+2x+y? -8y+ 16=0 O b. x? -x+y? + 4y+ 16=0 O c.x? +2x+y? - 4y+ 16=0 O d. x? +2x+y?-8y+1=0. fullscreen. check_circle Capacitance of Concentric Spheres. Figure 2-11. Concentric spheres. Suppose that a charge of +q coulombs is uniformly distributed over the surface of a sphere having a radius r 1. Also, this sphere is concentric with a sphere of larger radius r 2, which carries a charge of -q coulombs, as shown in Fig. 2-11 Radical center of three circles. Consider three circles A, B and C, no two of which are concentric.The radical axis theorem states that the three radical axes (for each pair of circles) intersect in one point called the radical center, or are parallel. In technical language, the three radical axes are concurrent (share a common point); if they are parallel, they concur at a point of infinity Calculate the radius of a concentric circle that touches this chord. Two annuluses. The area of the annular circle formed by two circles with a common center is 100 cm 2. The radius of the outer circle is equal to twice the radius of the inner circle. Determine the outside circle radius in centimeters

I am trying to figure out the radius length R to the center of the smaller of the two concentric circles. The length of the arc on the larger circle is 13.4 meters and the length of the arc on the smaller circle is 3.7855 meters. the distance between the circles is 3.048 meters I figured out generally that the radius is proportional to the ratio of the arc lengths, but the distance between the. 5x^2 + 5y^2 − 30x + 20y − 10 = 0 and 3x^2 + 3y^2 − 18x + 12y − 81 = 0 are concentric. 2x^2 + 2y^2 − 8x + 12y − 40 = 0 and 4x^2 + 4y^2 − 16x + 24y − 28 = 0 are concentric. if the answer is correct it should look like this =) you welcome. The 3rd equation on the left column and second one on the right column Two circles that have the same center point are called concentric circles. A secant is a line that interest a circle (or any other curved line) at two or more point. We will now show that a secant line that intersects both of the concentric circles creates two congruent segments between the two circles.. Problem. Two congruent circles with center at point O are intersected by a secant Solution for The equation of the circle that is concentric with the circle x2 +2x+y² - 8y+ 14=0, and touches the y- axis, is Select one: O a. x²+2x+y² -8y+1=0

In two concentric circles, prove that all chords of the outer circle which touch the inner circle are of equal length. View solution The figure shows two concentric circles and A D is a chord of larger circle concentric circles 24 videos. Parts of a Circle Geometry Geometry Building Blocks. How to define a circle and identify its main parts. How to derive the equation for a circle using the distance formula. distance formula radius center circle. Regions Between Circles and Square The area of a circle is the region enclosed by the circle. It is given by the formula: A = πr 2 where A is the area and r is the radius. Types of circles: Concentric Circles: Circles lying in the same plane with a common center are called concentric circles

Concentricity GD&T Basic

The area of a circle calculator helps you compute the surface of a circle given a diameter or radius.Our tool works both ways - no matter if you're looking for an area to radius calculator or a radius to the area one, you've found the right place . We'll give you a tour of the most essential pieces of information regarding the area of a circle, its diameter, and its radius We can use \(\upalpha \) obtained by Formula to consider two concentric circles for an ideal circle in Fig. 6. That is, \(\upalpha \) means the distance between two concentric circles, and the radii \(R_{max}\) and \(R_{min}\) of the maximum and minimum concentric circles are defined by Formula and these can be expressed as Fig. 7

Concentric Circles Definition Formula Example - YouTub

  1. i am having trouble trying to make the circles into concentric pattern. For example, the next circle bigger, then bigger and so on. A bit like the core, inner core, outer core, and crust of the earth. Below is all of my code
  2. (i) Find the equation of a circle concentric with the circle and passes through the point (-2,3). <br> (ii) Find the equation of circle concentric with the circle and whose radius is three times the radius of this circle. 32539519 . 3.1k+ 62.3k+ 3:38
  3. Two concentric circles are drawn such that their diameters are th. | Two concentric circles are drawn such that their diameters are the two diagonals of a rhombus of perimeter 40√5 cm. If the lengths of the diagonals are in the ratio 2 ∶ 1, then find the area enclosed between the two circles. A. 100π cm<sup>2</sup>. B. 200π cm<sup>2</sup>
  4. Area of outer circle =pi(10)^2=100 pi Area of inner circle =pi(r)^2=(r)^2 pi But area of inner circle is half of outer circle: r^2 pi= (100pi)/2=50 pi r^2= 50 r = (50)^1/2=7.071 cm = radius of inner circle Border Gap= {Diameter of Outer circle - D..
  5. If the circle has a center at (8,9), the equation for this circle is: All concentric circles have the same center, so their equations need to have the same left side of the equation above.-> x2 + y2 = 25. This circle has a center at (0,0), so it's not concentric to our circle.-> (x - 8)² + (y - 9)² =
  6. Discussing Color Study: Squares with Concentric Circles. Wassily Kandinsky's artwork, Color Study: Squares with Concentric Circles was painted in 1913 using watercolor, gouache, and crayon on paper. It is touted as one of the most famous works by the artist. It has 12 distinct sections of squares complete with concentric circles, which means that the rings all share a central point, inside.
  7. Concentric to the centerline, there will be an inner and an outer circle representing the inner and outer edges of the circular track, respectively. The distance of the inner and outer circles from the center line will be a constant 91.5mm, representing the width of the track, 183mm. The AutoCAD version I am using is 2009LT

Two concentric circles have radii x and y, where y > x. The area between the circles is at least 10 square units. (a) Write a system of inequalities that describes the constraints on the circles. What does the word CONSTRAINTS mean here? (b) Identify the graph of the line in relation to the boundary of the inequality With any 2 known variables you can calculate the other 5 unknowns. Use the following formulas and sets of equations below to calculate measures of an annulus. Area of the annulus between r 1 and r 2, the shaded area, is the area contained by the outer circle minus the area contained by the inner circle or A 0 = A 1 - A 2. You will need to know. Formula Derivation. Let's apply the unitary method to derive the formula of the area of a sector of circle. We know, the degree measure of the complete circle is 360º. The area of a circle with an angle measuring 360º at the center is given by πr 2, where r is the radius of the circle.. If the angle at the center of the circle is 1º, the area of the sector is πr 2 /360º Concentric means two or more shapes sharing the same center, generally a system of circles. The concept has significant practical application because, in manufacturing and engineering, it gives a measure of consistency of the designed system

Question : Match the pairs of equations that represent concentric circles. Tiles 3x2 + 3y2 + 12x ? 6y ? 21 = 0 5x2 + 5y2 ? 10x + 40y ? 75 = 0 5x2 + 5y2 ? 30x + 20y ? 10 = 0 4x2 + 4y2 + 16x ? 8y ? 308 = 0 x2 + y2 ? 12x ? 8y ? 100 = 0 2x2 + 2y2 ? 8x + 12y ? 40 = 0 4x2 + 4y2 ? 16x + 24y ? 28 = 0 3x2 + 3y2 ? 18x + 12y ? 81 = 0 x2 + y2 ? 2x + 8y ? 13 = 0 x2 + y2 + 24x + 30y + 17 = Consider a series of 'n' concentric circles with radii respectively, satisfying The circles are such that the chord of contact of tangents from any point on to is a tangent to Find the value of if the angle between the tangents from any point of to i Two concentric circles are drawn, the radius of one being 2cm greater than that of the other. The area of the ring enclosed between the two circles is one quarter of the area of the smaller circle.Calculate the radii of the circles,correct to three significant figures. (Don,t substitute for pie The ratio of the total area of the green regions to the area of the largest circle is shown below: Ratio = (r + 1) / 2r. (the derivation of this formula is shown below) Since there are 100 concentric circles. Ratio = (100 + 1) / (2*100) Ratio = 101 / 200. >>> final answer: Ratio = 101 / 200 Area of a ring Now, if we look at the given washer (ring), there are two concentric circles. A smaller circle (inner circle) with the radius r = 3 cm and the larger circle (outer circle) with radius R = 5 cm. . We used lower case letter r to represent the radius of inner circle and Upper case letter R to represent the radius of outer circle

Concentric circles are circles that share a midpoint, such as an archery target or a dartboard. The circles, though different size, all have the same bullseye. Regular polygons, regular polyhedra, and spheres can also be described as concentric as they all share the same center. In fact, in our first example below, we create a concentric circle. A circular ring (annulus) is plane figure bounded by the circumference of two concentric circles of two different radii. The area of a circular ring is found by subtracting the area of the small circle from that of the large circle. An example of an annulus is the area of a washer and the area of a concrete pipe

Concentric Circles, Radius, Arc (Geometry #197) - YouTub

6. Instruct students to draw concentric circles of given radii. They may construct four or more small paintings on heavy watercolor paper. 7. Students record the radius of each of the circles on the handout. 8. Students will color every other circle with crayon, and then paint the remaining circles with paint Circle worksheets, videos, tutorials and formulas involving arcs, chords, area, angles, secants and more Concentric Circles - Circles with the same center point but not necessarily the same radius length. Properties of a Circle. A circle is formed by an infinite number of points that are equidistant from a center. The length of the equidistant points from the center is the radius, r. Formulas for Circles

Annulus (Annular) Area Calculator - EasyCalculatio

  1. ing the center of the given circle, which is the center of the circle we want because they are concentric. Take the equation of the given concentric circle: and complete both squares. First put the constant term on the right
  2. I want to be able to draw a circle with 50km radius and then fill the circle with values corresponding to the free space loss formula below: FSPL(db)=20 log 10 (d)+20log 10 (f)+32.44. for example
  3. Notice that this consists of concentric circles centered at the pole and lines that pass through the pole. These circles and lines have very simple equations in polar coordinates. For example: Consider the equation \(r = 3\). In order for a point to be on the graph of this equation, it must lie on a circle of radius 3 whose center is the pole
  4. '===== '- 2 CONCENTRIC CIRCLES '- Adds one circle on top of the other. '- NB. All shapes are actually rectangular - the ones used *show* oval. '- We adjust them to show circles by making Width & Height the same. '- The smaller shape partially covers the larger one

Two concentric circles are given. Area of the first circle is 962.5 cm 2. Area of the second circle is 1386 cm 2. Formula used: Area of circle is πr 2. where, r is Radius of the circle. Calculations: Let the radius of the outer circle and inner circle be r 1 and r 2. According to the question, we have. The area of the inner circle is ⇒ πr 2 Number of Circles in a Circle. This is a simple online calculator to calculate the number of circles that could be drawn inside a larger circle. Imagine an 'Idly' plate, the cooking utensil to make the South Indian food Idly, which is the perfect example for this scenario. There will be a large outer circle and a number of inner circles One part I omit in the image is that it seems 4 variables are used, where 3 of the variables are the grey circles and 1 is the purple. I understand they're probably combining 2 circle graphs, but as to how they got them to become concentric is what's confusing me. Thanks for any tips or help I can get The lengths of the diameters of two concentric circles are 6 and 8. What is the distance between the circles? Categories English. Leave a Reply Cancel reply. Verify that the indicated function y = ϕ(x) is an explicit solution of the given first-order differential equation. (y −. The family of concentric circles with centre (1,2) and radius a is given by (x+1) 2 + (y-2) 2 = a 2 Differentiating above equation w.r.t.x, we ge

Concentric Circle - an overview ScienceDirect Topic

The figure shows two concentric circles with radii R and r. A chord AB of the outer circle meets the inner circle at C and D, respectively, CE is perpendicular to AB. If AC = a, CB = b, and CE = c, prove that With reference to figure 2, known GPR concentric circles echo data is spatially concentric circles and distributes, and wherein concentrically ringed quantity is M, and concentrically ringed maximum radius is that L and each concentric circles are distributed in same plane with identical interval delta r, be M=L/ Δ r, circle centre position. Transfer the well known drawing of an ellipse with the help of two concentric circles (on the left) to a two-circle-figure. Draw in the order M 1, M 2 , P 1, P 2 , and P. a and b are the radii of the circles, d is the distance of its centres Other definitions do not mention concentric; only contained within. Our calculator works for both. The formula is, assuming the inner radius is IR and the outer radius is OR, and AA is the annulus area of either the top or bottom (but not both and excluding the sides), AA = Square root(OR squared - IR squared)

Equation of the circle passing through the point \( \Large \left(3,\ 4\right) \) and concentric with the circle \( \Large x^{2}+y^{2}-2x-4y+1=0 \) i Find the area of the region between two concentric circles with radii 9 and 6. : If concentric means that the smaller circle is inside the larger circle, then we subtract the area of the smaller circle from the area of the larger circle.: The formula for the area of a circle is A=area, r=radius, pi is approximately 3.14159265 Correct answer to the question Two circles are concentric if they have the same center. On a coordinate plane, a circle has center (4, 6) and has a radius of 2 units.Which equation represents a circle that is concentric with the circle show - e-eduanswers.co Equation of a Circle in Standard Form. If the centre of a circle is located at the origin, we can take any point on the circumference and superimpose a right angled triangle with the hypotenuse joining this point to the centre. Then from Pythagoras's theorem, the square on the hypotenuse equals the sum of the squares on the other two sides. If.

Concentric Circles - VEDANT

Thus, the graph of the equation of the given circle is: Now we need to find the equation of the circle concentric with the above circle and touches the y-axis. Thus the centre of the new circle is (2,3) and radius is 2 Article Summary X. To calculate the circumference of a circle, use the formula C = πd, where C is the circumference, d is the diameter, and π is 3.14. If you have the radius instead of the diameter, multiply it by 2 to get the diameter. You can also use the formula for circumference of a circle using radius, which is C = 2πr Two concentric circles have the property that a chord of the bigger circle that is tangent to the smaller one has length 10 10 1 0. What is the area in between the two circles? 2. Three concentric circles A, B, C A,B,C A, B, C have the property that the radius of A A A is bigger than the radius of B B B, and the radius of B B B is bigger than.

Concentric Circles Superpro

The equation is... for Teachers for In this lesson, you'll learn what concentric circles are, and you'll see a few examples of sets of concentric circles. Then, you can test your knowledge. Color Study: Squares with Concentric Circles is a small watercolor made with gouache and crayon. Kandinsky creates a grid composition (the squares of the title.) Within each square unit, he paints concentric circles, meaning that the circles share a central point. He believed the circle had symbolic significance relating to the mysteries. Homework Statement Two charges concentric spheres have radii of 10.0 cm and 15.0 cm. The charge on the inner sphere is 4.00 x 10 ^-8 C, and that on the outer sphere is 2.00 x 10^-8 C. Find the electric field (a) at r = 12.0 cm and (b) at r = 20.0 cm. Homework Equations I know that this is a.. This is an interpretation of the discussion, in the surviving fragments of Hierocles the Stoic, of the concentric circles that surround each of us. Working in the mid-2nd century CE, Hierocles composed the very last of the systemati

The equation of the circle concentric with x^2 + y^2 - 3x

Pupils delve deeper into the informal argument for the formula of the area of a circle. The scholars show the relationships of areas of similar polygons also holds true for circles. 10th graders express the area of the ring between two concentric circles in terms of the length of a segment tangent to the smaller circle. The one page. Let C1 and C2 be two distinct concentric circles. a. Explain, geometrically, what the sum of C1 and C2 is. (Use the circle formula (x-h)^2 +(y-k)^2 =r^2) b. Prove your claim algebraically (using circle formula A circle is the set of all points in a plane equidistant from a given point called the center of the circle. The distance between the centre and any point of the circle is called the radius of the circle.; A line segment connecting two points of a circle is called the chord.A chord passing through the centre of a circle is a diameter.The diameter of a circle is twice as long as the radius Capacitance of Concentric Cylinders. In this topic we will calculate the capacitance of a system of concentric cylindrical shells. The next figure presents the geometry of this topic. Two conducting and concentric cylindrical shells, infinitely long, constitute a system that some capacitance, C. Geometry of this topic

Circle - Definition, elements, length of arc, area, thales

Smaller Circles within a Larger Circle - Engineering ToolBo

When the centre of any one of the circle is at the origin then Condition for orthogonallity c 1 + c 2 = 0 i.e 10 - 10 = 0 0 = 0 ∴ The circles cut orthogonally. PART - B Find the equation of the circle which is concentric with the circle x 1. 2 + y 2 - 8x + 12y + 15 = 0 and passes through (5, 4) In Reduced Bearing (RB), the bearing of a survey line is measured either in a clockwise or anti-clockwise direction from either of the north or south direction whichever is close to the line. The whole circle bearing can be equal to the reduced be..

Customer centric or concentric circles?Circumference of a circle | Definitions and Formulas ofConcentricity | GD&T Basics