Use a Double Integral to Find the Area Enclosed by the Graph

Multiple Choice

Use a double integral to find the area enclosed by the graph of $r = 3 + 3 \cos \theta$

A) $\frac { 27 } { 2 } \pi$
B) $\frac { 27 } { 2 }$
C) $\frac { 9 } { 2 } \pi$
D) $\frac { 2 } { 27 } \pi$
E) $\frac { 9 } { 2 }$