PSAT Math · Question of the Day

PSAT Math Question of the Day

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Friday, August 7, 2026

A cylindrical water tank has radius $3\text{ m}$ and height $10\text{ m}$ . What is the volume of the tank? (Use $\pi$ in your answer.)

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Question of the Day

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A cylindrical water tank has radius $3\text{ m}$ and height $10\text{ m}$ . What is the volume of the tank? (Use $\pi$ in your answer.)

$90\pi\text{ m}^3$ (correct answer)
$30\pi\text{ m}^3$
$9\pi\text{ m}^3$
$180\pi\text{ m}^3$

Explanation: We need to find the volume of a cylinder with radius 3 m and height 10 m. The volume formula for a cylinder is V = πr²h, where r is the radius and h is the height. Substituting the given values: V = π(3)²(10) = π(9)(10) = 90π m³. Common mistakes include using diameter instead of radius or forgetting to square the radius. When working with π, leave it in symbolic form unless asked to approximate.