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Mathematics 13 Online
OpenStudy (allen27):

help please

OpenStudy (allen27):

OpenStudy (dumbcow):

Angles 4 and 8 are corresponding angles along a transversal of 2 parallel lines. Thus they are equal.

OpenStudy (wolf1728):

To me it seems they want a PROOF of the postulate that they are equal. One such proof can be found here: http://math.tutorvista.com/geometry/corresponding-angles.html

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