Posted by **Dipti** on Saturday, November 17, 2012 at 6:10am.

Length of rectanngle is 1 cm more than width. If length of rectangle is doubled the area is increased by 30cm2. find dimensions of original rectangle.

- Algebra -
**Steve**, Saturday, November 17, 2012 at 6:28am
if the length and width are x,y respectively, then

x = y+1

2xy = xy+30

xy=30

x=6,y=5

check:

xy = 6*5 = 30

2xy = 12*5 = 60 = 30+30

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