ANSWER:
63 square inches
STEP-BY-STEP EXPLANATION:
We have the formula to calculate the area of the triangle is the following:
[tex]A=\frac{b\cdot h}{2}[/tex]Replacing:
[tex]\begin{gathered} A=\frac{7\cdot18}{2} \\ A=63 \end{gathered}[/tex]The area equals 63 square inches