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April 2, 2015

April 2, 2015

Posted by **Aaron** on Thursday, August 8, 2013 at 5:22pm.

- Math -
**Henry**, Thursday, August 8, 2013 at 6:19pmThe angles are assumed to be complimentary(sum=90o).

DCE + ECF = 90o

4x+15 + 6x-5 = 90

10x + 10 = 90

10x = 80

X = 8

DCE = 4*8 + 15 = 47o

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