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April 20, 2014

April 20, 2014

Posted by **Bobby Lee** on Thursday, March 22, 2012 at 5:19pm.

- Math -
**Isaac**, Thursday, March 22, 2012 at 5:36pmThe inside has to equal 360 since its a 4 sided figure

you know 2 sides which are 90

and the third side is 52

so

360= 52 + 90 + 90 + x

solve for x

360 - 90 - 90 - 52 = x

x=128

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