Math, asked by sathvika2255, 1 year ago

find the cost of polishing a circular table top of diameter 1.6 feet is the rate of polishing is rupees 15 per metre square take Pi is equal to 3.14

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Answered by naz99
9

GOOD AFTERNOON

To calculate the cost of polishing of circular table, we have to calculate its area first of all.Here, Given diameter of the circular table-top = 1.6 m. Hence, r = 0.8 m


Area = π r2

= 3.14 × 0.8 × 0.8 = 2.0096 sq m


Cost of polishing = Rate × Area

= Rs 15 × 2.0096 = Rs 30.144


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Answered by anishraju
3

30.14 is ans...................

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