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What is the equation of a circle centered at the origin with a radius of 5cm?
Updated: 4/28/2022
Wiki User
∙ 13y agoBest Answer
x2 + y2 = 25
A circle with centre (xo, yo) and radius r has equation:
(x - xo)2 + (y - yo)2 = r2
So with centre the origin (0, 0) and radius 5 cm, the circle has equation:
(x - 0)2 + (y - 0)2 = 52
⇒ x2 + y2 = 25
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∙ 13y agoThis answer is:
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