A garden wants to make 2 round of fence around his circular garden of diameter 21m . find the cost of the fence at 12 per meter?(fully solving)
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given : d=21 ; r= 21 / 2
circumference of a garden = 2 π r
= 2 × 22/7 × 21/2
= 66cm cm
since he wants toake two rounds so ;
= 2 × 66
= 132cm
cost of 1m rope is 12
cost of 132 m rope = 12 × 132
= 1584
hope it helps you................
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