Find the cost of polishing a circular table top up diameter 1.6m ,If the the rate of polishing is 15/m². (take π = 22/7)
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π=22/7
d=1.6m
r=0.8m
area of table top=πr²
=22/7x0.8x0.8 = 2.0096(approx.)
cost of polishing=15x2.0096=₹30.144
Hope this helps
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