4. P is a point on the bisector of ∠ABC. If the line through P, parallel to BA meet BC at Q, prove that BPQ is an isosceles triangle. 4. P is a point on the bisector of ∠ABC. If the line through P parallel to BA meet BC at Q prove that BPQ is an isosceles triangle. June 30, 2021 Category: Chapter 7 - Triangles , Maths , NCERT Class 9 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related