Question

Estimate the cost of painting the inner wall of a well, if the depth of the well is 14 ft and the diameter is 8 ft. The cost of painting 2.5 sq. ft is rs.20. the answer is 7040​

Answer 1

Answer:

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Step-by-step explanation:

CSA = 2\pi rh2πrh

= 2 * 3.14 * 4 * 14

= 2 * 3.14 * 48

= 3.14 * 96

= 301.44 cm^2

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