Question 989502
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It looks like all four angles have the same measure.  However, NEVER rely on appearances.  What you do know for sure is that the vertical angles are equal and the adjacent angles are supplementary.


So if the measure of angle 1 is *[tex \Large x], then the measure of angle 3 is also *[tex \Large x] and the measures of angles 2 and 4 are equal to *[tex \Large 180\ -\ x].


John
*[tex \LARGE e^{i\pi}\ +\ 1\ =\ 0]
My calculator said it, I believe it, that settles it

*[tex \Large \ \
*[tex \LARGE \ \ \ \ \ \ \ \ \ \