The length and the breath of a rectangular field are in the ratio of 5:4 and its area is 3380m squared. Find the cost of fencing it at the rate of rs.75per m.
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5x × 4x =3380
20x=3380
x=3380÷20
x=169
therefore sides are 5×169 and 4×169
845 and 676 are sides
perimeter of rectangle is 2 (l+b)
2 (845 + 676)
3042 meter
cost of fencing means
perimeter × cost
3042×75
228150 rs
hope it will help you
Mark as brain list of you like
20x=3380
x=3380÷20
x=169
therefore sides are 5×169 and 4×169
845 and 676 are sides
perimeter of rectangle is 2 (l+b)
2 (845 + 676)
3042 meter
cost of fencing means
perimeter × cost
3042×75
228150 rs
hope it will help you
Mark as brain list of you like
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