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September 20, 2014

September 20, 2014

Posted by **michael** on Sunday, October 2, 2011 at 9:06pm.

- trigonometry -
**Reiny**, Sunday, October 2, 2011 at 9:35pmbase = x

height = 2x+10

(1/2)(x)(2x+10) = 176

2x^2 + 10x = 352

x^2 + 5x - 176 = 0

(x + 16)(x-11) = 0

x = -16 or x = 11 , but x > 0

so x = 11

base is 11, height is 32

check: (1/2)(11)(32) = 176

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