Question

A wire of length 86 cm is bent in the form of a rectangle such that its length is 7 cm more than its breath.find the length and the breadth of the rectangle so formed

Answer 1

Total length of Wire= Perimeter Of Rectangle

Let Its Breadth = 'x'

So Its Length = 'x+7'

Perimeter Of Rectangle= Total length of Wire [Perimeter = 2(l +b)]

2(x + x +7) = 86

2x + 7 = 86/2

2x + 7 = 43

2x = 43 -7 

 2x = 36

x = 18 cm

Therfore Breadth = 18cm

Length = x + 7

             = 18 + 7

             = 25 cm

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