The length of a rectangle is three times its width. If it's perimeter is 128 m. Then it's length and breadth is
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Let l be length,w be width of rectangle
Given l =3w and 2(l+w)= 128
2(3w+w) =128
=> 8w = 128
=> w = 16
=> l = 3 x 16 = 48
Therefore length is 48 width is 16
Given l =3w and 2(l+w)= 128
2(3w+w) =128
=> 8w = 128
=> w = 16
=> l = 3 x 16 = 48
Therefore length is 48 width is 16
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