Answers

2015-12-31T22:13:40+05:30
Let x be ratio of length : breadth
2(5x +3x ) = 128
2(8x)= 128
16x= 128
x =128/16
x=8
5x=40
3x=24
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2016-01-01T13:34:41+05:30
5x:3x
perimeter = 2(l+b)
128 = 2(5x+3x)
128 = 2(8x)
128 = 16x
128/16 = x
8 = x
so, length = 5x = 5 * 8 = 40m
      breadth=3x= 3 * 8 = 24m
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