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Multiple choice

A cylinder has a diameter of 14 cm and the area of its curved surface is 220 sq. cm. The volume of the cylinder is

  1. 620 cm3

  2. 707 cm3

  3. 670 cm3

  4. 770 cm3

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

CSA = 2πrh = 220. Given 2r = 14, so r = 7. Then 2 × (22/7) × 7 × h = 220, meaning h = 5. Volume = πr²h = (22/7) × 49 × 5 = 770 cm³.

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