Beberapa Alternatif Membuktikan Teorema Panjang Garis Bagi Pada Segitiga

The purpose of this thesis is to introduces alternative proofs for the length of angle bisectors theorem on triangle. In this thesis, the author proves it using the concept of area, law of sines, Pythagoras theorem, and Ptolemy theorem. The result is that the square of length of angle bisector of the triangle is the product between the sides of the triangle on the left and right of the bisector…