Mensurationmedium · Past Paper
The volume of a cylindrical container is 448π cm³ and its height is 7 cm. Find its curved surface area.
A112π cm²
B224π cm²
C56π cm²
D448π cm²
✓ Correct Answer: A — 112π cm²
πr²(7) = 448π => r² = 64 => r = 8. CSA = 2π(8)(7) = 112π cm².
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