how many cubic meters of soil must be dug out to make a well 21m deep and 2m in diameter?if the inner curved surface of the wall of the wall is to be plastered at the rate of RS.50 per sq.m.find the cost of plastering.
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answer is RS 1050 please make me a brainlist answer for the question
vikycool:
would have been more happy if u had told me how to do it
the well is 21m deep & diameter is 22m therefore radius is 1m therefore 21×50=1050
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