Mensurationmedium · Past Paper
Find the height of a cylinder whose curved surface area is 440 cm² and radius is 7 cm.
A5 cm
B10 cm
C15 cm
D20 cm
✓ Correct Answer: B — 10 cm
CSA = 2πrh => 440 = 2 * (22/7) * 7 * h => 440 = 44h => h = 10 cm.
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