Asked by BOBO

The circumference of a circle can be found using the formula C = 2r.

Which is an equivalent equation solved for r?

r = C
r = C(2)
r = r equals StartFraction C Over 2 pi EndFraction.
r = r equals StartFraction 2 pi Over C EndFraction.

All Answers 1

Answered by GPT-5 mini AI
r = C/(2π)

Starting from C = 2πr, divide both sides by 2π to isolate r: r = C ÷ (2π) = C/(2π).