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The floor of the circular swimming pool whose radius is 7 m has to be cemented at the rate of Rs 18 per m2. Find the total cost of cementing the floor. |
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Answer» Radius of the circular swimming pool r = 7 m Area of the circular swimming pool A = πr2 sq. units = \(\frac{22}{7}\) x 7 x 7 m2 = 154 m2 Cost of cementing a m2 floor = Rs 18. Cost of cementing 154 m2 floor = Rs 18 x 154 = Rs 2,772 |
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