a dome of a building is in the form of a hemisphere . from inside it was whitewashed at the cost of 1540 . if the cost of whitewashing is 5 per square metre , find the inside surface area and the volume of the air inside it .
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Cost of white wash:1540
Area:1540/5:308
Area:1540/5:308
Simran2003:
Volume ??
Comeon you answered half the question
By using the formulae 2pie r square you will find the radius and after that you can find the volume by using the formulae 2/3 pie r cube
Ok or I will send a pic
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