UNIVERSITY OF KERALA 
COLLEGE OF TEACHER 
EDUCATION, 
KOLLAM
PRESENTED BY 
Name : Asawthy Ajayan 
Option : Mathematics 
Reg. no. : 13973004 
Year : 2013-2014
STD : IX 
Subject : Mathematics 
Unit : Polygon 
Topic : Regular Polygon
OBJECTIVES 
To know about polygon 
To know about regular polygon 
To identify the properties of regular 
polygons
Equilateral Triangle 
Each angle is 600 
All sides are equal 
Each side is a= 3 cm
Square 
4cm 
4cm 4cm 
4cm 
Each square is 900 
All sides are equal 
Each side is 4 cm
Regular Polygon 
2cm 2cm 
108 
108 
108 
108 
108 
2cm 
2cm 
2cm 
Each side is 1080 
All sides are equal 
Each side is 2 cm
Regular Hexagons 
3cm 
120 120 
120 120 
120 120 
3cm 
3cm 
3cm 
3cm 
3cm 
Each angle is 1200 
All sides are equal 
Each side is 3 cm
Regular Polygons 
Polygon with all sides 
and all angles are equal 
generally called regular 
polygons
Aswathy ajayan

Aswathy ajayan

  • 2.
    UNIVERSITY OF KERALA COLLEGE OF TEACHER EDUCATION, KOLLAM
  • 3.
    PRESENTED BY Name: Asawthy Ajayan Option : Mathematics Reg. no. : 13973004 Year : 2013-2014
  • 4.
    STD : IX Subject : Mathematics Unit : Polygon Topic : Regular Polygon
  • 5.
    OBJECTIVES To knowabout polygon To know about regular polygon To identify the properties of regular polygons
  • 6.
    Equilateral Triangle Eachangle is 600 All sides are equal Each side is a= 3 cm
  • 7.
    Square 4cm 4cm4cm 4cm Each square is 900 All sides are equal Each side is 4 cm
  • 8.
    Regular Polygon 2cm2cm 108 108 108 108 108 2cm 2cm 2cm Each side is 1080 All sides are equal Each side is 2 cm
  • 9.
    Regular Hexagons 3cm 120 120 120 120 120 120 3cm 3cm 3cm 3cm 3cm Each angle is 1200 All sides are equal Each side is 3 cm
  • 10.
    Regular Polygons Polygonwith all sides and all angles are equal generally called regular polygons