E
Editor
Sep 18, 2022
The area of a sector of a circular region of radius r is
Difficulty: Hard
A:
$2\pi r$
B:
$\pi r^{2}$
C:
$\frac{1}{2}\pi r^{2}$
D:
$\frac{1}{2}r^{2}\theta$
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ID: 63273dbaca83163ac3a13193