Question

the length of rectangular field is 2times its breadth .if the perimeter of the field is 72m find its length n breadth

Answer 1

Let its breadth be x m
So its length will be 2x m
Then
72 = 2( l+b)
36= x + 2x
36 = 3x
12=x
Hence breadth is 12 m
Length is 24 m
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Answer 2

Let breadth be x
therefore length = 2x
3x = 36
x = 12
breadth = x = 12
length = 2x = 24