alleryThe radian measure of $45^\circ$ is:
A$\dfrac{\pi}{3}$
B$\dfrac{\pi}{6}$
C$\dfrac{\pi}{4}$
D$\dfrac{\pi}{2}$
Answer & Solution
Correct answer: C. $\dfrac{\pi}{4}$
45° × (π/180) = π/4 radians.
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