Convert $30^{\circ}$ to radian measure.
A$\dfrac{\pi}{3}$
B$\dfrac{\pi}{4}$
C$\dfrac{\pi}{6}$
D$\dfrac{\pi}{2}$
Answer & Solution
Correct answer: C. $\dfrac{\pi}{6}$
$30^{\circ} = \dfrac{\pi}{180} \cdot 30 = \dfrac{\pi}{6}$.
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