The bisector of exterior angle of B intersects the bisector CF (F on AB) at Y. Determine the comparison of YF:YC by considering a, b, c as the lengths of side of the triangle ABC

sumasintihg

sumasintihg

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2022-08-27

The bisector of exterior angle of B intersects the bisector CF (F on AB) at Y. Determine the comparison of Y F : Y C by considering a,b,c as the lengths of side of the triangle ABC.
What theorems should I use here? Or what theorems should I apply first?

Answer & Explanation

suprakarmay5

suprakarmay5

Beginner2022-08-28Added 8 answers

Step 1
We get Y F Y C = B F a with B F = a c a + b .
Step 2
We get Y F Y C = c a + b

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