Question

The length and breadth of a field is 125m and 150m . find the length of barbed wire required to build a fence around it.

Answer 1

Length of wire = perimeter of rectangle.

perimeter of rectangle= 2(length+breadth)

perimeter = 2(125 + 150)

perimeter = 550 m

hence length of wire 550m.

Answer 2

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PERIM OF THE FIELD=LENGTH OF BARBED WIRE

2(L+B)=2(125+150)

=2(275)

=550m

Hence,550m is required to fence the boundary

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