This is a sample digital text prepared as part of 4th semester B.Ed. ICT workshop. Digital Text NSS TRAINING COLLEGE OTTAPALAM ICT WORKSHOP DIGITAL TEXT Name of the teacher : Harsha S Date : 25/05/2022 Department : Mathematics Class : 8 Subject : Mathematics Duration : 30 minutes Unit : Polygons Topic : Sum of angles Sum of Angles of Polygon Objectives To understand about different polygons To determine the relationship among sides, angles and diagonals of different polygons To understand about sum of interior angles of polygon To solve real life problems Polygon Definition A Polygon is a two-dimensional geometric figure that has a finite number of sides. The sides of a polygon are made of straight line segments connected to each other end to end. Thus, the line segments of a polygon are called sides or edges. The point where two line segments meet is called vertex or corners, henceforth an angle is formed. Thus, a Pol