Math, asked by sulbhanale123, 9 months ago

find the cost of digging a pit (to form a well) of diameter 3m and depth 21 m at the rate of ruppees 5 per m³​

Answers

Answered by technicaldevata77
8

Answer:

cost = volume x rate

volume = πr²h=22/7 x 3/2 x 3/2 x 21

=148.5m²

cost=148.5 x 5

=742.5 Rupees

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