Answer:
B
Explanation:
The volume (V) of the triangular prism is calculated as
V = Bh ( B is the area of the triangular base and h the height )
B =
bh
Here b = 8 and h = 6 ( perpendicular legs )
B =
× 8 × 6 = 4 × 6 = 24 ft² , then
V = 24 × 3 = 72 ft³ → B