Find the Area $36.00 \pi \mathrm { in } .2$ B) $12.00 \pi$

Multiple Choice

Find the area. Leave your answer in terms of pi.
-A circle with diameter 6 in.

A) $36.00 \pi \mathrm { in } .2$
B) $12.00 \pi$ in. $^ { 2 }$
C) $9.00 \pi$ in. 2
D) $6.00 \pi \mathrm { in } ^ { 2 }$