the perimeter of a rectangle is 40 cm . The length of the rectangle is more than double its breadth by 2 . Find the length and breadth .
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Perimeter of rectangle = 40 cm (given)
Condition :- length = 2x breadth +2
l = 2b + 2
= Perimeter p = 2(l+b) = 40
= 2(2b +2+b) = 40
= 2(3b + 2) = 40
= 6b = 40-4 = 36
b = 36/6 = 6cm
l = 2 x 6+ 2 = 12 + 2 = 14cm
= length = 14 cm, breadth = 6 cm
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