Question

the side of a rectangular field are in the ratio 9 : 7 and its perimeter is 144 metres. find the sides .
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Answer 1

Answer:

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Answer 2

Answer:

let length= 9x

breadth = 7x

perimeter of rectangle = 2(l+b) = 144m

l+b= 72m

9x+7x=72m

16x=72m

x=4.5m

=> l = 9x= 9×4.5= 40.5m

=> b = 7x= 7×4.5= 31.5m