Answer:
V = 72 cm³
Explanation:
the volume (V) of a prism is calculated as
V = Ah ( A is the area of the triangular face and h is its height )
A =
bh ( b is the base and h the perpendicular height )
here b = 12 and h = 6
A =
× 12 × 6 = 6 × 6 = 36 cm² , then
V = 36 × 2 = 72 cm³