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Question

If length and breadth of a rectangle are in ratio 3:2. If the area of the field is 3456 m2. Find the cost of fencing the field at 23.50 per meter.

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Solution

Letlengthandbreadthofrectangleare3xand2xrespectively.Areaofrectangle=×b3456cm2=3x×2x3456=6x2576=x2576=xx=24cmLength=3x=72cmBreadth=2x=48mperimeterofrectangle=2(+b)=2(72+48)=240mfancingthefieldat23.50perimeter.andfancingfor240mis=23.5×240=5640Rs.

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