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April 18, 2015

April 18, 2015

Posted by **Wanda** on Wednesday, August 3, 2011 at 10:35pm.

- Math 209 -
**Reiny**, Wednesday, August 3, 2011 at 11:43pmlength -- x

width --- x-7

hypotenuse -- x+1

x^2 + (x-7)^2 = (x+1)^2

x^2 + x^2 - 14x + 49 = x^2 + 2x + 1

x^2 - 16x + 48=0

(x-4)(x-12) = 0

x = 4 or x=12 , but x > 7 to have a positive width

so x = 12

length = 12 metres

width = 5 metres

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