To adjacent sides of a rectangle are 4x+7y and 3y-x, find it's perimeter
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HEY MATE!!!
1st side= 4x+7y
2nd side= 3y-x
perimeter=2(l+b)
= 2(4x+7y+3y-x)
=8x+14y+6y-2x
=8x-2x+14y+6y
=6x+20y.
Hope it will help you!!!
1st side= 4x+7y
2nd side= 3y-x
perimeter=2(l+b)
= 2(4x+7y+3y-x)
=8x+14y+6y-2x
=8x-2x+14y+6y
=6x+20y.
Hope it will help you!!!
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