Respuesta :

First we find the area of ​​the triangle
A = 1/2 * b * h
b=11.8 in;  h=8.1 in
A= 1/2 * 11.8 * 8.1 = 47.79 in².

The regular pentagon consists of 5 equal triangles, so
Area = 47.79 * 5 = 238.95 in²