Find the Area of the Specified Region $r = 8 \cos \theta + 9 \sin \theta$

Multiple Choice

Find the area of the specified region.
-Inside the circle $r = 8 \cos \theta + 9 \sin \theta$

A) $36 \pi$
B) $\frac { 145 \pi } { 8 } + 36$
C) $\frac { 145 \pi } { 2 }$
D) $\frac { 145 \pi } { 4 }$