SAT® Subject Test in Math 1 & 2

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Difficult

Complementary and Supplementary Radian Angles

SATSTM-T9OXQV

What is the supplement of the complement of $\cfrac{2\pi}{5}$?

A

$\cfrac{1\pi}{5}$

B

$\cfrac{3\pi}{5}$

C

$\cfrac{9\pi}{10}$

D

$\cfrac{\pi}{10}$

E

$\cfrac{4\pi}{5}$