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Sector Area

GRE-EAIM1L

A sector of a circle has a central angle of $120^{\circ}$ and a radius of 4 inches. Find the area of the sector.

A

$\cfrac{16 \pi}{3} \text{ in}^2$

B

$\cfrac{4 \pi}{3} \text{ in}^2$

C

$\cfrac{32 \pi}{3} \text{ in}^2$

D

$16 \pi \text{ in}^2$

E

$\cfrac{8 \pi}{3} \text{ in}^2$