hemispherical dome of building is to be White wash and total cost of whitewash of them is 924 @ rupees 3 per metre square find the surface area of hemisphere and volume of Air in dome
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Surface area =924/3=308sq.m
Surface area =2(pi)r square =308
2*22/7*(r Square) =308
r Square =308*7/22*2=196
r =7
Volume =2/3(pi)( rcube) =2156 c. m
Surface area =2(pi)r square =308
2*22/7*(r Square) =308
r Square =308*7/22*2=196
r =7
Volume =2/3(pi)( rcube) =2156 c. m
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