Question

Length of a rectangle is 8 m less than twice its breadth. If the perimeter of the rectangle is 56 m , find its length and breadth ?

Answer 1

Let the breadth be x
length=2x-8
perimeter=2(l+b)
56=2(2x-8+x)
56=6x-16
72=6x
x=12
Breadth =12m
Length=16m
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Answer 2

The breadth will be 12 m
The length will be 16 m
.