If a Is the Area of the Intersection of the Regions

Multiple Choice

If A is the area of the intersection of the regions inside $r = 3 \cos \theta$ and outside $r = 1 + \cos \theta,$ A is

A) $6 \pi - 16$
B) $3 \sqrt { 3 } - \pi$
C) $\frac { \pi + 1 } { 2 }$
D) $\pi$
E) $\frac { 8 - \pi } { 4 }$