16Hit1600
Geometry and TrigonometryMediumVolume of a triangular prism

Geometry and Trigonometry practice question

A prism has a base that is a right triangle with legs of length 3 and 4, and the prism has a length of 10. What is its volume?

Answer: 60

Base area: (1/2)(3)(4) = 6. Volume = base area × length = 6 × 10 = 60.

Common wrong answers

If you answered 17
17 is 3 + 4 + 10, adding the dimensions.
If you answered 50
50 is 5 × 10, using the hypotenuse as if it were the base area.
If you answered 120
120 is 3 × 4 × 10, using a rectangle for the base instead of a triangle (half of that).

More Geometry and Trigonometry questions

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