Respuesta :

Answer: D

Explanation:

Base= 4 x 12= 48
Triangles= 3 x 4= 12
Side of the prism= 3 x 12= 36

3^2 + 4^2=
9+16= √25 = 5

Add the area of each face of the prism= 48+ 12+ 36+ 60 =156 cm^2
This is D. 156 sq. Units