A hemisphere dome of a building is to be painted . The circumference of the base of the dome is 17.6 m . Find the cost of painting it at the rate of rs 5 per 100 cmsq.
angleberry883:
I think height is missing
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r=2.8
csa=2pi r*r
2*22*2.8*2.8/7
=49.28
cost = 24640
csa=2pi r*r
2*22*2.8*2.8/7
=49.28
cost = 24640
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