What's the answer plz help me.
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let breadth be X then length will 3x
given perimeter=2(l+b)
36=2(3x+X)
36=2(4x)
36=8x
36/8=X
so breath is X=4.5
then length is 3x=13.5
given perimeter=2(l+b)
36=2(3x+X)
36=2(4x)
36=8x
36/8=X
so breath is X=4.5
then length is 3x=13.5
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