The cost of painting the surface of sphere is 1526 at the rate ofof sp – InterviewSolution

1.

The cost of painting the surface of sphere is 1526 at the rate ofof sphere.6 per m2. Find the radius

Answer»

Surface area of sphere ×6=15264πr^2×6=15264πr^2=1526÷64πr^2=254.33r^2=254.33÷4×3.14r^2=20.24r=4.49r=4.5m(approximately)

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