Asked by David

If the circumference of a circle is 16 pi, what is its area ?
Answered by Ms. Sue
A = pi * 8^2

Answered by Kuai

c = 2rpi

16pi = 2rpi
16pi/2pi =r
8 = r

A = r^2 pi
A = (8)^2 pi
A = 64pi

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