Math, asked by golishanthimai, 15 hours ago

Diameter of a well is 2.1m and 14m deep find the cost of plastering it at ₹5 per sq. m.

Answers

Answered by Anonymous

0

Answer:

Rs 462

Step-by-step explanation:

Radius of well = 2.1/2m

CSA of well = 2πrh

= 2 x 22/7 x 2.1/2 x 14

= 92.4 m²

Cost of plastering = 92.4 x 5

= Rs 462

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