Monday

July 28, 2014

July 28, 2014

Posted by **Ara** on Tuesday, April 29, 2014 at 8:43pm.

Find the dimensions of the rectangle.

- Math -
**Reiny**, Tuesday, April 29, 2014 at 9:12pmwidth --- x

lengyth -- x+11

x(x+11) = 2040

x^2 + 11x - 2040 = 0

(x-4)(x+51) = 0

x = 40 or x = - 51 , negative width makes no sense,

so x = 40

the rectangle is 40 cm by 51 cm

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