Asked by Dipti
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.
Answers
Answered by
Steve
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
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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