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.
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