The cost of painting the surface of sphere is rupees 1526 at rupees 6 per meter square.Find radius of sphere (π=3.14)
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Surface area of sphere ×6=1526
4πr^2×6=1526
4πr^2=1526÷6
4πr^2=254.33
r^2=254.33÷4×3.14
r^2=20.24
r=4.49
r=4.5(approximately)
4πr^2×6=1526
4πr^2=1526÷6
4πr^2=254.33
r^2=254.33÷4×3.14
r^2=20.24
r=4.49
r=4.5(approximately)
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