JUPEBMathematicsTrigonometry

Convert $\dfrac{5\pi}{6}$ radians to degrees.

A$150^\circ$CORRECT
B$135^\circ$
C$300^\circ$
D$120^\circ$
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Why the answer is A, and why the others tempt you.
Since $\pi$ radians $= 180^\circ$, $\dfrac{5\pi}{6} = \dfrac{5 \times 180^\circ}{6} = 150^\circ$. Using $360^\circ$ for $\pi$ gives $300^\circ$.
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