If a Is the Area of the Intersection of the Regions

Multiple Choice

If A is the area of the intersection of the regions enclosed by the graphs of $r = 2 ( 1 - \cos \theta )$ and $r = 2 ( 1 + \cos \theta ) ,$ then A is

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