Mathematics · Mensuration
A solid spherical ball of diameter 8 cm is cut into two equal parts. The curved area of one hemisphere is painted green, and the curved area of the other hemisphere is painted red. The flat bases of both hemispheres are painted blue. The cost of painting with blue is ₹2/cm 2 , while the cost of painting the curved area is ₹3/cm 2 . What is the total cost (in ₹) of painting both hemispheres? (Take π = 3.14)
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1₹451.92
- 2₹492.92
- 3₹803.84✓
- 4₹401.92
Correct answer
₹803.84
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