## Trigonometry (11th Edition) Clone

$Area = 15.75$
Let $a = 7$, let $b = 9$, and let angle $C = 150^{\circ}$. We can find the area of the triangle: $Area = \frac{1}{2}ab~sin~C$ $Area = \frac{1}{2}(7)~(9)~sin(150^{\circ})$ $Area = 15.75$