perimeter of rectangle is 34cm. area 60 cm² find the length and breadth?
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Step-by-step explanation:
perimeter =2(l+b)
34=2(l+b)
l+b=17
Area lb= 60
b= 60/ l
l+60/l=17
l^2+60=17l
l^2-17l+60=0
(l-12)(l-5)
l =12,5
b=5,12
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