Question

The perimeter of a rectangular field is 80 m .If its breadth is 18 m find its length.

Answer 1

Perimeter = 2(l+b)
80 = 2(l+18)
80/2 = l+18
40-18 = l
22 = length

Answer 2

Let the length be l

2 (l+18)=80
l+18=40
l=40-18
l=22.

Length = 22


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