E
Editor
Sep 18, 2022
The circular measure of the angle between the hands of a watch at 4 O'clock is
Difficulty: Easy
A:
$\frac{\pi}{2}$
B:
$\frac{\pi}{4}$
C:
$\frac{2\pi}{3}$
D:
$\frac{\pi}{6}$
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ID: 63273dbaca83163ac3a13187