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Class 10 > Learn Mathematics > What's the equation of a circle?
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What's the equation of a circle?

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(x – h)2 + (y – k)2 = r2, with the center being at the point (h, k) and the radius being "r".
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Well Qualified and Certified Mathematics B.Ed(M.G Usty)Teacher with more than13 years of Experience

(x-h)2+ (y - k) 2 = r2, where (h, k) is the coordinates of the centre of the circle and 'r', the length of the radius of the circle.
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I am a professional manager in a reputed company and is teaching students for 2 years

Suppose (a,b) is the centre coordinate of the circle where a is the x coordinate and b is the y coordinate. So, (x-a)^2 + (y-b)^2 = r^2, where r is the radius og the circle.
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Equation of a circle is Here, (h,k) are the coordinates of the centre of circle and r is the radius of circle.
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14yrs exp Math Computers Science English Hindi Teaching. Improvement In Scores Guaranteed Fee REFUND

The equation of a circle of radius r, and the centre at the origin is: x2 + y2 = r2
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The equation of a circle of radius r, and the centre at the origin is:

x2 + y2 = r2 

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atics pecialise in mba / economics students of all levels

The eq .of circle in standard form is ..x 2+ y2 - 2hx - 2yk + h2 + k2 + c = 0 ..general form if eq.of circle , and derived form of eq. of circle with coordinate x, y, and C = r2 is given as ( x- h) 2 + ( y- k )2 = r2 ...eq. (2)..where h,k are coordinates from centre , radius = r2 ., is derived form circle...
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The eq .of circle in standard form is ..x 2+ y2 - 2hx - 2yk + h2 + k2 + c = 0 ..general form if eq.of circle , and derived form of eq. of circle with coordinate x, y, and C = r2 is given as ( x- h) 2 + ( y- k )2 = r2 ...eq. (2)..where h,k are coordinates from centre , radius = r2 ., is derived form circle equation ., which can be found once we r given coordinates , r2 value of the circle.

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Maths graduate with experience of teaching for 7 years

X^2+Y^2=a^2 where avis the radius of the circle
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✔✔ASQ Lean Six sigma black belt , Lead auditor ISO 9001 +14001+45001+27001+31000

(X-h) ²+(Y-K) ²=r²..... Where h, k are the Co ordinates of the center r is the radious
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Experienced and versatile instructor for education from Hyderabad india

(X-h) ²+(Y-K) ²=r²..... Where h, k are the Co ordinates of the center r is the radious
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