If breadth of a rectangle is increased by 5cm, its area increases by 25cm^2. if length is increased by 5cm, then area increases by 20cm^2. find the area of the rectangle (in cm^2)
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A= lb
l(b+5)=lb+25
So l=5 cm
(l+5)b=lb+20
b=4cm
A=5*4=20sqcm
l(b+5)=lb+25
So l=5 cm
(l+5)b=lb+20
b=4cm
A=5*4=20sqcm
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