frecy
The length of a rectangle is 2 cm greater than the width. The area is 80 cm. Find the length and width.



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irkiz
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let the width by x cm
length= (x+2)cm
area = (x+2) times (x) = 80

Fosterthepeople
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fLength 10cm
Width 8 cm
Area = Length x Width
80cm(cubed) = 10cm x 8cm

irkiz
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\[(x+2) \times x = 80\]
\[x ^{2} + 2x80 = 0\]

irkiz
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solve the equation and get x

irkiz
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or you could do trial and error like fosterthepeople

irkiz
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but that would be hard for a larger area in another similar question

frecy
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how did you get 80?

irkiz
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80 is the area

irkiz
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length x breadth = area

Fosterthepeople
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did you see how i did it up there?

frecy
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Yup, I saw it.

frecy
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Irkiz and Fosterthepeople THANKS GUYS! BIG HELP!

Fosterthepeople
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no problem :P