Find the Area $10.6 \mathrm {~m} ^ { 2 }$ B) $21.2 \mathrm {~m} ^ { 2 }$

Find the area.
-

A) $10.6 \mathrm {~m} ^ { 2 }$
B) $21.2 \mathrm {~m} ^ { 2 }$
C) $56.10 \mathrm {~m} ^ { 2 }$
D) $28.05 \mathrm {~m} ^ { 2 }$