Question
A cylinder has a height of 21 meters and a radius of 7
meters. If a cone has the same radius and height as the cylinder, what is the difference in volume between the cylinder and the cone? {Take π = 22/7}Solution
Volume of a cylinder = π × r² × h = (22/7) × 7 × 7 × 21 = 3234 m³ Volume of a cone = (1/3) × π × r² × h = (1/3) × (22/7) × 7 × 7 × 21 = 1078 m³ Difference = 3234 - 1078 = 2156 m³ Correct answer: a
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