the perimeter of a rectangle is 40 cm. Hint:length of the rectangle three times more than its breadth find the length and breadth
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breadth=4cm
length=16cm
let breadth be x cm
; length= x+3x cm
after equating it with 2(l+b)=20
we get length and breadth
length=16cm
let breadth be x cm
; length= x+3x cm
after equating it with 2(l+b)=20
we get length and breadth
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