Find the circumference of the circle whose, centre is (-7,2) and which passes through the points (5,-3).
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distance between center and point on circumference is radius
(r)^2={(5+7)^2 + (-3-2)^2
r={144+25}^1/2
r=13
circumference of circle =2 pi r
2*pi*13
26*pi
26 * 22/7
81.714 unit
(r)^2={(5+7)^2 + (-3-2)^2
r={144+25}^1/2
r=13
circumference of circle =2 pi r
2*pi*13
26*pi
26 * 22/7
81.714 unit
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