E eobmtd New member Joined Nov 1, 2005 Messages 4 Nov 1, 2005 #1 given: AC ll XZ, YA bisects <XYB, and BZ bisects <YBC Prove AY ll BZ -------A-------------------B-----------------------C --X-----------Y----------------------Z--------------
given: AC ll XZ, YA bisects <XYB, and BZ bisects <YBC Prove AY ll BZ -------A-------------------B-----------------------C --X-----------Y----------------------Z--------------
pka Elite Member Joined Jan 29, 2005 Messages 11,978 Nov 1, 2005 #2 Surely from all that you can get congruent alternate interior angles. Use line YB as the transversal.
Surely from all that you can get congruent alternate interior angles. Use line YB as the transversal.
E eobmtd New member Joined Nov 1, 2005 Messages 4 Nov 1, 2005 #3 ya, sorry.....I have that it's 2 parallel lines cut by the by the BY transversal, therefor the bisectors of alternate interior angles are parallel. what do I write to prove AY ll BZ?
ya, sorry.....I have that it's 2 parallel lines cut by the by the BY transversal, therefor the bisectors of alternate interior angles are parallel. what do I write to prove AY ll BZ?
