Geometry and TrigonometryHardVolume of a pyramid with a square base
Geometry and Trigonometry practice question
A pyramid has a square base with side length 6 units and a height of 5 units. What is its volume, in cubic units?
Answer: 60
Volume = (1/3) × base area × height = (1/3)(36)(5) = 60.
Common wrong answers
- If you answered 10
- 10 uses the side length 6 as the base area instead of 36.
- If you answered 30
- 30 uses a base area of 18 (half the square) or a height of 2.5.
- If you answered 180
- 180 omits the 1/3 — that would be a prism with the same base and height.
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