147. In parallelogram PQRS, O is the mid point of SQ. Find ∠S, ∠R, PQ, QR and diagonal PR. ∠R 147. In parallelogram PQRS O is the mid point of SQ. Find ∠S PQ QR and diagonal PR. July 18, 2021 Category: Chapter 3 - Understanding Quadrilaterals , Chapter 4 - Practical Geometry , Maths [...]