1. Polygon Presentation
By: Team Math

2. tables found on wikepedia under polygons
Resource Page
Polygon names
Name
Sides
triangle (or trigon) 3
quadrilateral (or tetragon) 4
pentagon 5
hexagon 6
heptagon (avoid "septagon") 7
octagon 8
enneagon (or "nonagon") 9
decagon 10
tables found on wikepedia under polygons

3. Resource Page hendecagon (avoid "undecagon") 11
dodecagon (avoid "duodecagon") 12
triskaidecagon 13
pentadecagon 15
heptadecagon 17
enneadecagon 19
icosagon 20
triacontagon 30
pentacontagon 50
hectagon (avoid "centagon")
100
chiliagon
1000
myriagon
10,000

4. Resource Page Tens and Ones final prefix full polygon name tetraconta-
-kai- 1
hena-
-gon 20
icosi- 2
-di- 30
triaconta- 3
-tri- 40
tetraconta- 4
-tetra- 50
pentaconta- 5
-penta- 60
hexaconta- 6
-hexa- 70
heptaconta- 7
-hepta- 80
octaconta- 8
-octa- 90
enneaconta- 9
-ennea-
That is, a 42-sided figure would be named as follows:
Tens
and
Ones
final prefix
full polygon name
tetraconta-
-kai-
-di-
-gon
tetracontakaidigon
and a 50-sided figure
Tens
and
Ones
final prefix
full polygon name
pentaconta-
-gon
pentacontagon

5. Types of Polygons Regular Polygons Triangles Quadrilaterals Pentagons
Hexagons
Octagons
Decagons

6. Regular Polygons
All of the sides and the angles are congruent

7. Triangles
Three sided polygons

8. Quadrilaterals
Four sided polygons

9. Pentagons
Five sided polygons

10. Hexagons
Six sided polygons

11. Octagons
Eight sided polygons

12. Decagons
Ten sided polygons

13. Name the following polygons.1 3 2

14. 1 – HEXAGON
2 – QUADRILATERAL
RECTANGLE
3 - DECAGON

15. Name the following polygons.1 2 3

16. 1 – Octagon
2 – Pentagon
3 – Scalene Triangle

17. What polygons can you find…
In your classroom?
On the playground?
In your own home?