Question

The prism below has a volume of 21 cubic units. The base is a right triangle with legs that have lengths of 2 units and 3 units. Find the height of the prism.

A. 7 units
B. 3.5 units
C. 21 units
D. 11.5 units

Answer 1

A. 7 units

Explanation:

The volume of this triangular prism can be found from ...

V = 1/2LWH

21 = 1/2(2)(3)h . . . fill in the given values

7 = h . . . . . . . . . divide by 3

The height of the prism is 7 units.