E
Editor
Sep 18, 2022
Express the area A of a circle as a function of its circumference C
Difficulty: Easy
A:
$P=4\pi A$
B:
$P=2\sqrt A$
C:
$P=\frac{1}{4\pi}C^{2}$
D:
P=4A
ID: 63273db8ca83163ac3a1054b