alleryConvert $240^{\circ}$ to radian measure.
A$\dfrac{4\pi}{3}$
B$\dfrac{3\pi}{2}$
C$\dfrac{5\pi}{3}$
D$\dfrac{7\pi}{6}$
Answer & Solution
Correct answer: A. $\dfrac{4\pi}{3}$
$\dfrac{\pi}{180} \cdot 240 = \dfrac{240\pi}{180} = \dfrac{4\pi}{3}$.
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