A hemisphere dome of a building is to be white washed and the total cost of white wash of dome building is ₹924 at the rate of ₹3per m²,then find(i) The surface area of hemisphere (ii) volume of air in the dome
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the surface area of dome = total cost /cost at the rate of per m square
924/3 =308m.
volume of air in dome =?
surface area of dome = 2* 22/7*rsq.
2* 22/7 *r sq. = 308
r = 7
volume of dome = 2156/3
924/3 =308m.
volume of air in dome =?
surface area of dome = 2* 22/7*rsq.
2* 22/7 *r sq. = 308
r = 7
volume of dome = 2156/3
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