SOLUTION: the radius of a sphere is 35 inch find the cost of painting the surface at Rs 0.5 per sq.inch

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Question 1148754: the radius of a sphere is 35 inch find the cost of painting the surface at Rs 0.5 per sq.inch
Answer by ikleyn(52781) About Me  (Show Source):
You can put this solution on YOUR website!
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Calculate the surface area of the sphere  A = 4%2Api%2Ar%5E2  and then multiply it by 0.5 Rs per square inch.

Happy calculations (!)