MathDB
concurrency wated, trapezium and 2 circles related

Source: Indian Postal Coaching 2008 set 4 p1

May 25, 2020
geometrytrapezoidcirclesconcurrent

Problem Statement

Let ABCDABCD be a trapezium in which ABAB is parallel to CDCD. The circles on ADAD and BCBC as diameters intersect at two distinct points PP and QQ. Prove that the lines PQ,AC,BDPQ,AC,BD are concurrent.