Find the cost of polishing a circular table top of 2.4m diameter, if the cost of polishing is rs.20 per square meter
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Diameter (d) of table top = 2.4m
Radius (r) of table top = d/2 = 2.4/2 = 1.2 m
Area (A) of table top = pi*(r^2) = 3.14*1.2*1.2 = 4.5216 sq m
Rate of polishing = Rs 20/ sq m
Total cost of polishing table top = A*20 = 4.5216*20 = Rs 90.43
Radius (r) of table top = d/2 = 2.4/2 = 1.2 m
Area (A) of table top = pi*(r^2) = 3.14*1.2*1.2 = 4.5216 sq m
Rate of polishing = Rs 20/ sq m
Total cost of polishing table top = A*20 = 4.5216*20 = Rs 90.43
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