Answer:
63in is your answer
Explanation:
1. find the volume of the rectangular prism.
V=LxWxH
V=3 x 2 x 6
V=36
2. Find the volume of the Triangular prism
V= 3 x 3 x 6 / 2 ( you have to divide by 2 because the base is a triangle)
V= 54 /2
V=27
3. ADD both Volume
36 + 27= 63 in.
Hope this helps.