The langth of a rectriangle is 2x+y and its breath is x-y. What is the perimetre of the rectriangle?
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Given :
The length = 2x+y
breath = x-y
perimeter = 2(L+B)
=2(2x+y+x-y)
=4x+2y+2x-2y
=4x+2x+2y-2y
=6x-y
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