Multiple choice

The radius of the base of a cylinder of a cylinder is 14 cm and its volume is 6160 cm3. The curved surface area (in cm2) is: (take π=22/7)

  1. 880

  2. 778

  3. 940

  4. 660
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A Correct answer
Explanation

Volume V = πr²h = 6160 cm³. With r = 14 cm and π = 22/7: (22/7) × 14² × h = 6160, giving h = 10 cm. Curved surface area = 2πrh = 2 × (22/7) × 14 × 10 = 880 cm².

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