For a 16-Inch Pizza, Find the Area of a Slice $\frac{18 \pi}{19}$

For a 16-inch pizza, find the area of a slice with angle $\frac{18 \pi}{19}$ Radians.

A) $\frac{432 \pi}{19}$
B) $\frac{288 \pi}{19}$
C) $\frac{216 \pi}{19}$
D) $\frac{576 \pi}{19}$