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October 20, 2014

October 20, 2014

Posted by **Travis** on Monday, March 4, 2013 at 12:02pm.

Length of parallel side(s)=?

Length of perpendicular sides=?

- Calculus -
**Reiny**, Monday, March 4, 2013 at 2:02pmlet the side parallel to the store by y

let the two other sides be x

y + 2x = 430

y = 430 - 2x

area = xy

= x(430 - 2x)

= 430x - 2x^2

d(area)/dx = 430 - 4x = 0 for a max area

4x = 430

x = 107.5

I will let you finish it.

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