Question

Solve the following questions:
The inner diameter of a well is 4.20 metre and its depth is 10 metre. Find the inner surface area of the well. Fine the cost of plastering it from outside at the rate of Rs 52 sq.m.​

Answer 1

Answer:

Thus, the inner surface area of the well is 132 m2 and the cost of plastering the well from inside is Rs 6,864.