The length of a rectangle is thrice its breadth. if the perimeter is 60 incm find the dimensions of the rectangle
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Let breadth of rectangle= x
Length of the rectangle= 3x
Perimeter= 60 cm
2(l+b) = 60
2(3x+x)=60
3x+x=60/2
4x=30
x=30/4
= 15/2
Length= 3×15/2= 45/2cm
Breadth= 15/2cm
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