Given a and a point on the extension of side (from ) such that and let be the mid point of . The angle bisector of intersects to in . Prove that

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- Sep 24th 2007, 10:31 AMliyiTriangle
Given a and a point on the extension of side (from ) such that and let be the mid point of . The angle bisector of intersects to in . Prove that

- Sep 24th 2007, 12:46 PMKrizalid
- Let be the foot of the angle bisector of on the side . Since , it yields
- On the other hand, , then

- Since