Respuesta :

Answer:

Area of a triangle equals 1/2 Bh

base = 2.5 height = 5

2.5 x 5 = 12.5/2 = 6.25

since there are 4 sides you multiply by 4

6.25 x 4 = 25

Now to do the bottom you multiply 2.5 x 2.5 = 6.25

6.25 + 25 = 31.25<----ANSWER