4. The quadrilateral formed by joining the mid-points of the sides of a quadrilateral PQRS, taken in order, is a rectangle, if 4. The quadrilateral formed by joining the mid-points of the sides of a quadrilateral PQRS if is a rectangle taken in order June 30, 2021 Category: Chapter 8 - Quadrilaterals , Maths , NCERT Class 9 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related