Respuesta :

A triangular prism have 5 faces

3 rectangles ,and 2 triangles

Rectangles area= 13•4 + 12•4 + 5•4 = 52 + 48+ 20

. = 120 in2

Triangles area= 12•5/2 + 12•5/2= 30 + 30

. = 60 in2

Sum of both areas= 120 + 60 = 180

Then answer is

OPTION G) 180 in2