## frecy Group Title The length of a rectangle is 2 cm greater than the width. The area is 80 cm. Find the length and width. one year ago one year ago

1. irkiz Group Title

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

2. Fosterthepeople Group Title

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

3. irkiz Group Title

$(x+2) \times x = 80$ $x ^{2} + 2x-80 = 0$

4. irkiz Group Title

solve the equation and get x

5. irkiz Group Title

or you could do trial and error like fosterthepeople

6. irkiz Group Title

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

7. frecy Group Title

how did you get 80?

8. irkiz Group Title

80 is the area

9. irkiz Group Title

10. Fosterthepeople Group Title

did you see how i did it up there?

11. frecy Group Title

Yup, I saw it.

12. frecy Group Title

Irkiz and Fosterthepeople THANKS GUYS! BIG HELP!

13. Fosterthepeople Group Title

no problem :P