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February 1, 2015

February 1, 2015

Posted by **lorie** on Friday, January 14, 2011 at 5:01pm.

- geometry -
**Reiny**, Friday, January 14, 2011 at 5:03pm - geometry -
**Henry**, Saturday, January 15, 2011 at 9:04pmSum = x + x = 2x,

Vertex angle = (2X - 36).

2X + (2X - 36) = 180,

4X - 36 = 180,

4X = 180 + 36 = 216,

X = 216 / 4 = 54 DEG.

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