Find the surface area of this triangular prism. Be sure to include the correct unit in your answer.

Question

asked Sep 9, 2021 72.2k views

1 Answer

Mjaggard · Answer 1 · 2021-09-13T10:36:08+0000

Work Shown:

A = area of bottom rectangular face = 10*5 = 50

B = area of back rectangular face = 12*10 = 120

C = area of slanted front rectangular face = 13*10 = 130

D = area of left triangle = 0.5*base*height = 0.5*5*12 = 30

E = area of triangle on right = 0.5*base*height = 0.5*5*12 = 30

S = total surface area

S = A+B+C+D+E

S = 50+120+130+30+30

S = 360