the side of a rectangular field are in ratio 9:7 and it's preimeter is 144 meters. find the side
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let the common multiple of side be x.
perimeter =2(l+b)
144=2(9x +7x )
72=16x
x=4.5
so sides are (9*4.5). and. (7*4.5)
= 40.5 and 31.5 metres
perimeter =2(l+b)
144=2(9x +7x )
72=16x
x=4.5
so sides are (9*4.5). and. (7*4.5)
= 40.5 and 31.5 metres
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