Area of rectangular plot is 1200 sqcm.Find the perimetre of the plot if its lenght and breadth are in the ration 4:3
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let the length =4x
let the breadth =3x
area of re rectangle = l×b (l=length ,b=breadth)
1200=4x×3x
1200=12x
1200÷12=x
100 =x
so the length =4×100=400cm
so the breadth =3×100=300cm
let the breadth =3x
area of re rectangle = l×b (l=length ,b=breadth)
1200=4x×3x
1200=12x
1200÷12=x
100 =x
so the length =4×100=400cm
so the breadth =3×100=300cm
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