In triangle PQR right angled at Q, PQ=3cm & PR=6cm. Determine angle QPR & angle PRQ. In triangle PQR right angled at Q PQ=3cm & PR=6cm. Determine angle QPR & angle PRQ. October 5, 2020 Category: Chapter 8 - Introduction to Trigonometry , Maths , NCERT Class 10 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related