Find the cost of painting a sphere of 2.8 m diameter at the rate of Rs. 8.50 per m².(Take π=22/7)
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diameter=28
radius =14
surface area of sphere:-
4πr×r
4×22/7×14×14
2464m square
since, cost of 1 m square=8.50
therefore, cost of 2464m square=8.50×2464
=20944
radius =14
surface area of sphere:-
4πr×r
4×22/7×14×14
2464m square
since, cost of 1 m square=8.50
therefore, cost of 2464m square=8.50×2464
=20944
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