Mathematics · Mensuration
A solid cone with radius 7 cm and height 28 cm is melted and recast into a solid sphere. A cylinder is designed such that its height is 12 cm more than the radius of the sphere, and its diameter is 7 cm more than the radius of the sphere. Find the total surface area of this cylinder. (Use π = 227)
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 15511 cm2
- 21144 cm2✓
- 34411 cm2
- 41155 cm2
Correct answer
1144 cm2
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