So please explain this including the formula please i will give 98 points!!

Answer:
V =20.4 in^3
Step-by-step explanation:
The formula for volume of a triangular prism is
V = B *h
B is the area of the triangle which is 1/2 b*h
B = 1/2 (2.5) (3.4)
The height is 4.8 in
V = 1/2 (2.5) (3.4) * 4.8
V =20.4 in^3