Answer:
36 inches
Step-by-step explanation:
if you unfold the triangular prism and find the area of each individual shape, all you have to do is add them up:
Area Of Rectangle = WL
Area Of Triangle = 1/2(HB)
5x2=10
4x2=8
3x2=6
(4x3)1/2=6x2=12
10+8=18+6=24+12=36
