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September 21, 2014

September 21, 2014

Posted by **sharmila** on Sunday, May 6, 2012 at 12:05pm.

(a)set up an equation:

(b)solve the equation:

(c)write a sentence that answers the quation:

- math -
**Henry**, Tuesday, May 8, 2012 at 7:08pmDia. = 13 In. = Hyp. of rt triangle.

Width=x In.=Ver. side of a rt triangle

Length = 2x+2 In. = Hor. side of rt triangle.

a. (2x+2)^2 + x^2 = 13^2.

b. 4x^2+8x+4 + x^2 = 169

5x^2 + 8x -165 = 0

Use Quadratic Formula:

X = 5 In.

X = -6.6 Not valid.

2x+2 = 2*5 + 2 = 12 In.

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