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January 31, 2015

January 31, 2015

Posted by **m.d.** on Wednesday, August 3, 2011 at 6:44am.

- geometry -
**clad**, Wednesday, August 3, 2011 at 7:23am180-44=136 degrees

- clad's answer is incorrect - geometry -
**Reiny**, Wednesday, August 3, 2011 at 7:56amThe diagonals of a rectangle produce pairs of isosceles triangle.

So triangle BOC is isosceles, and each of the base angles must be 68°

(68+68+44=180)

since angles BCO and OAD are alternate angles for parallel lines,

angle OAD = 68°

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