1. If three angles of a quadrilateral are each equal to 75°, the fourth angle is 1. If three angles of a quadrilateral are each equal to 75° the fourth angle is July 17, 2021 Category: Chapter 3 - Understanding Quadrilaterals , Chapter 4 - Practical Geometry , Maths , NCERT Class 8 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related