16Hit1600
Geometry and TrigonometryHardVolume of a triangular prism

Geometry and Trigonometry practice question

A prism has a triangular base with a base length of 8 and a height of 5, and the prism is 12 units long. What is the volume of the prism?

Answer: 240

The base area is (1/2)(8)(5) = 20, and the volume is 20 × 12 = 240.

Common wrong answers

If you answered 25
25 adds the three numbers.
If you answered 40
40 doubles the base area but forgets the length.
If you answered 480
480 forgets the one half in the triangle's area.

More Geometry and Trigonometry questions

Not affiliated with the College Board. SAT is a trademark of the College Board.