P and Q are the points on the sides DE and DF of a triangle DEF such that DP = 5 cm, DE = 15 cm, DQ= 6 cm and QF = 18 cm. Is PQ II EF? Give reasons for your answer. DE = 15 cm DQ= 6 cm and QF = 18 cm. Is PQ II EF? Give reasons for your answer. P and Q are the points on the sides DE and DF of a triangle DEF such that DP = 5 cm July 5, 2021 Category: Chapter 6 - Triangles , Maths , NCERT Class 10 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related 3. A and B are respectively the points on the sides PQ and PR of a triangle PQR such that PQ = 12.5 cm, PA = 5 cm, BR= 6 cm and PB = 4 cm. Is AB II QR? Give reasons for your answer.9. ABCD is a trapezium in which AB II DC and P and Q are points on AD and BC, respectively such that PQ II DC. If PD = 18 cm, BQ = 35 cm and QC = 15 cm, find AD.1. Is the triangle with sides 25 cm, 5 cm and 24 cm a right triangle? Give reasons for your answer.