the length of triangle is 7 more than its breadth. If the perimeter of the rectangle is 34cm ,find the length and breadth of the rectangle
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Let the breadth of the rectangle be x. So, the length of the will be x + 7.
Perimeter of the rectangle = 34cm.
P = 2(l+b)
34 = 2(x+7+x)
34=2(2x+7)
34=4x+14
34-14=4x
20=4x
x=20/4
x=5
Breadth of the rectangle = 5cm.
Length of the rectangle = x + 7 = 5 + 7 = 12cm.
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