Question

If a circle has a circumference of C, what is the area of the circle in terms of C?

Answer 1

O.o is there more to this?

Answer 2

there was just multiple choice but i got it :) i couldn't copy n paste the answer choices... but i got the answer :) thx anyways :)

Answer 3

Welcome O.o

Answer 4

\[C=2\pi r\]
\[A=\pi r^2=\frac{1}{2}(2\pi r)r=\frac{1}{2}Cr\]