Find the cost of polishing a circular table-top of dimameter 1.5m,if the rate of polishing is ₹ 15 per metre square .Take radis = 3.14.
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Diameter = 1.5m
Radius = d/2 = 1.5/2 = 0.75m
Area of top of the circular table = πr²
= 22/7×0.75×0.75 = 1.76m²
Cost of Polish of 1m² = Rs 15
Therefore,
Cost of polishing of 1.76m² = 15×1.76= Rs26.4
Radius = d/2 = 1.5/2 = 0.75m
Area of top of the circular table = πr²
= 22/7×0.75×0.75 = 1.76m²
Cost of Polish of 1m² = Rs 15
Therefore,
Cost of polishing of 1.76m² = 15×1.76= Rs26.4
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