A square water tank has its sides equal to 40m there are four semicircle grassy plots all round it .find the cost of turfing the plot at Rs 1.25m
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54
Given Diameter = 40m then the radius will be r = d/2 = 20m.
Area = 1/2 * pir^2
= 1/2 * 22/7 * (20)^2
= 22/7 * 200
= 628.5
Given the cost of turfing the plot = 1.25m.
Cost of turfing the 4 plots = 1.25 * 4 * 628.5
= 3142.
Area = 1/2 * pir^2
= 1/2 * 22/7 * (20)^2
= 22/7 * 200
= 628.5
Given the cost of turfing the plot = 1.25m.
Cost of turfing the 4 plots = 1.25 * 4 * 628.5
= 3142.
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