msimard8 Messages 58 Reaction score 0 Thread starter Sep 25, 2006 #1 I need to prove that <acb is equal to one of the other interior angles of triangle abc. help when pic uploads Attachments example222.jpg 27.8 KB · Views: 481
I need to prove that <acb is equal to one of the other interior angles of triangle abc. help when pic uploads
HallsofIvy Science Advisor Homework Helper Messages 42,895 Reaction score 983 Sep 26, 2006 #2 What do you know about the size of an exterior angle relative to the size of the other two angles in the interior? If CZ, the bisector of that angle, is parallel to AB, what does that tell you about angles BAC and ACZ?
What do you know about the size of an exterior angle relative to the size of the other two angles in the interior? If CZ, the bisector of that angle, is parallel to AB, what does that tell you about angles BAC and ACZ?
