Respuesta :

Divide the pentagon into 5 equal triangles. area of each triangle = 10*8/2 = 40 inch^2. Therefore area of pentagon = 40*5 = 200 inch^2. Hope it helps.
Ver imagen HenryLCH
A=1/2 X apothem x perimeter 
A=1/2 x 10 x 8
A=1/2 x10 x 40
A=10/2=5 x 40 =
= 200