the length of a rectangle is 6m less than twice it's breadth. If the perimeter is 54m then it's length and breadth?
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the breadth of rectangle = x
the length of rectangle = 2x-6
the perimeter of rectangle = 54m
perimeter = 2(l+b)
54m = 2(2x-6+x)
54m = 4x-12+2x
66m = 6x
x = 11m
the breadth of rectangle = 11m
the length of rectangle = 11*2-6
= 22-6= 16m
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