Polygons

1. WELCOME

2. BY SEETHALEKSHMI. V. V MATHEMATICS DEPARTMENT ROLL NO: 50 KANNUR UNIVERSITY TEACHER EDUCATION

4. POLYGONS Figures with three or more sides are generally called polygons

5. TYPES OF POLYGONS TRIANGLE QUADRILATERAL PENTAGON HEXAGON HEPTAGON etc

6. SUM OF ANGLES The sum of the angles of an n-sided polygon is (n-2)x180

7. polygons  Triangle  Quadrilateral  Pentagon  Hexagon  heptagon Sum of angles  180  360  540  720  900

8. OUTER ANGLES

9. UNCHANGING SUM The sum of the outer angles of any polygon is 360

10. REGULAR POLYGONS A polygon with equal sides and angles is called a regular polygon

11. Examples of regular polygons  Equilateral triangle  Square  Regular pentagon  Regular hexagon etc

12. THANK YOU

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