Formula of area of a triangle ( A ):
[tex]A=\frac{b\cdot h}{2}[/tex]where b is the base and h is the height.
Procedure:
0. Replacing the values given
[tex]A=\frac{4.23\cdot7.8}{2}[/tex]2. Simplifying
[tex]A=\frac{32.99}{2}[/tex][tex]A\approx16.50[/tex]Answer: A) 16 in^2
