The length and the breadth of a rectangular field are in the ratio5:3 If its perimeter is 128m.find the dimensions of the field
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Answered by
2
Answer:
Length (l)= 40m ; Breadth (b)= 24m
Step-by-step explanation:
Given:
Perimeter=128m
Ratio of:
l : b :: 5 : 3
Therefore,
l= 5x ; b= 3x (taking the unknown value as 'x')
Now,
Perimeter= 2(l+b)
128m= 2(5x+3x)
128= 2(8x)
128= 16x
x= 128/16= 8m
Therefore,
l= 5x= 5*8= 40m
b= 3x= 3*8=24m
Answered by
0
let the length and breath be 5x and 3x.
therefore,
2(5x+3x) = 128
2 x 8x = 128
16x = 128
x = 128÷16
x = 8
hence, length = 5x8=40m
breadth = 3x8=12m
therefore,
2(5x+3x) = 128
2 x 8x = 128
16x = 128
x = 128÷16
x = 8
hence, length = 5x8=40m
breadth = 3x8=12m
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