Mathematics · Mensuration
A company manufactures hemispherical brass bells of radius 2 cm. If polishing costs ₹0.75 per square cm, find the cost of polishing the curved outer surface of one bell. (Use π ≈ 3.14)
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1₹15.90
- 2₹16.95
- 3₹17.65
- 4₹18.84✓
Correct answer
₹18.84
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