Find the cost of polishing a circular table top of diameter 7 m at ₹60 per m2
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Step-by-step explanation:
Radius of the table top = 7/2
Area of the table top = area of the circle = π
= (22/ 7) * 7/2 * 7/2
= 22 * 1/2 *7/2
= 11 * 7/2
= 77/2 = 38.5m^2
Cost of polishing table top per m^2 = Rs. 60
Total cost of polishing 38.5 m^2 of area = 38.5 * 60
= 385 * 6
= Rs. 2310
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