54 [tex] in^{2} [/tex]
A right triangle is a shape that looks like half of a square. The height of the triangle is 12, and the base of the triangle is 9. To find the area, use the following formula:
A = [tex] \frac{bh}{2} [/tex]
= [tex] \frac{12x9}{2} [/tex]
= [tex] \frac{108}{2} [/tex]
= 54 [tex] in^{2} [/tex]