find length and breadth of rectangle: Area= 25 Sq m, Perimeter = 20 sq m
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my maths is very week iam sorry
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lb=25
l=25/b..........(1)
2(l+b)=20
l+b=10
25/b+b=10
25+b^2=10b
b^2-10b+25=0
b^2-5b-5b+25=0
b(b-5)-5(b-5)=0
(b-5)(b-5)=0
b=5
then
l+b=10
l+5=10
l=10-5=5
hence l=b=5
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