Question

the length of a rectangular field is twice its breadth . if the perimeter of the field is 150m, find the dimensions of the rectangle.

Answer 1

let the breadth be x
so length is 2x
ATQ
2(x+2x)= 150
2*3x= 150
6x= 150
x = 25

so breadth is 25 n length is 50.

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Answer 2

Let the breadth be x
Then,
Length=2x
Perimeter=150m
2(l+b)=150m
2(x+2x)=150
3x=150/2
3x=75
x=75/3
x=25m

Thus,
Length =(2x) =(2×25) =50m
Breadth =x=25m

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