Answer:
V = 180 cm³
Explanation:
the volume (V) of a triangular prism is calculated as
V = Ah ( A is the area of the triangular face and h is the length )
the area (A) of the triangular face is calculated as
A =
bh ( b is the base and h the height )
here b = 8 cm and h = 9 cm , then
A =
× 8 × 9 = 4 × 9 = 36 cm²
substitute A = 36 and h = 5 cm into the formula for V
V = 36 × 5 = 180 cm³