Find the Area of the Triangle $15 \mathrm {~cm} ^ { 2 }$

Multiple Choice

Find the area of the triangle. The measures of the dimensions are given below the figure.

A) $15 \mathrm {~cm} ^ { 2 }$
B) $8 \mathrm {~cm} ^ { 2 }$
C) $7.5 \mathrm {~cm} ^ { 2 }$
D) $8.5 \mathrm {~cm} ^ { 2 }$