168. Find the measure of an are exterior angle of a regular pentagon and an exterior angle of a regular decagon. What is the ratio between these two angles? 168. Find the measure of an are exterior angle of a regular pentagon and an exterior angle of a regular decagon. What is the ratio between these two angles? July 18, 2021 Category: Chapter 3 - Understanding Quadrilaterals , Chapter 4 - Practical Geometry , Maths , NCERT Class 8 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related