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7.The diameter ofa circular park is 98 m. Find the cost of fencing it at 4 permetre

Answer»

diameter = 98mtherefore radius = 49mfencing will be done on the circumference. hencecircumference = 2*pi*r = 2*22/7*49 = 308mcost of fencing= circumference*cost per metre = 308*4 = 1232 Rs



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