Find the Area of a Sector with Central Angle $120 ^ { \circ }$

Multiple Choice

Find the area of a sector with central angle $120 ^ { \circ }$ in a circle with radius $12$ M

A) $12 \pi \mathrm { m } ^ { 2 }$
B) $24 \mathrm {~m} ^ { 2 }$
C) $36 \mathrm {~m} \mathrm {} \mathrm { m } ^ { 2 }$
D) $48 \mathrm {~m} \mathrm {~m} ^ { 2 }$
E) $2 \pi / 3 m ^ { 2 }$