Respuesta :

tusharkarki9

Answer:

Length=400m

Breadth=300 m

Explanation:

Let the length be( x+100) and breadth be x

Now,

Perimeter of rectangle = 2(l+b)

or, 1400 m= 2(x+100m+x)

or, 1400m/2=2x+100m

or, 700 m-100m= 2x

or, 600m/2 = x

Therefore x= 300m

(x+100m)=300m + 100m = 400m

Hope this helps you

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