The length and the breadth of a rectangular field are in the ratio 5 is to 4 if its perimeter is 100 M what is the dimension of the field
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let the length and breadth be 5x and 4x.
Perimeter = 2(l+b)
100 m = 2(5x + 4x)
100 ÷ 2 m = 9x
50 m = 9x
50 ÷ 9 m = x
5.56 m = x
x = 5.56 m
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