Mathematics · Mensuration
If a cylinder is made by rolling a square sheet of side 21 cm such that its two opposite edges just meet, then the curved surface area of the cylinder formed is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1440 sq. cm
- 2421 sq. cm
- 3441 sq. cm✓
- 4431 sq. cm
Correct answer
441 sq. cm
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