28. A quadrilateral has three acute angles. If each measures 80°, then the measure of the fourth angle is 28. A quadrilateral has three acute angles. If each measures 80° then the measure of 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