" (2.) In a "/_ABC" ,the internal bisectors of "/_B" and "/_C" meet at "P" and the external "

In a triangle A B C , the internal bisectors of /_B\ a n d\ /_C meet at P and the external bisectors of /_B\ a n d\ /_C meet at Q . Prove that /_B P C+\ /_B Q C=180^0

In a ABC, the internal bisectors of /_B and /_C met at P and the external bisectors of /_B and /_C meet at Q. Prove that /_BPC+/_BQC=180^(@)

A B C is a triangle in which /_A=72^0 , the internal bisectors of angles B and C meet in O . Find the magnitude of /_B O Cdot

ABC is a triangle in which /_A=72^(0), the internal bisectors of angles B and C meet in O. Find the magnitude of /_BOC.

ABC is a triangle in which /_A=72^(0), the internal bisectors of angles B and C meet in O.Find the magnitude of /_BOC

In a Delta ABC, the bisectors of ext /_B and ext /_C meet at D. If BD>CD, then prove that AC>AB.