Polygon Presentation By Team Math Resource Page Polygon

Polygon Presentation By: Team Math

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

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

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

Types of Polygons ØRegular Polygons ØTriangles ØQuadrilaterals ØPentagons ØHexagons ØOctagons ØDecagons

Regular Polygons • All of the sides and the angles are congruent

Triangles • Three sided polygons

Quadrilaterals • Four sided polygons

Pentagons • Five sided polygons

Hexagons • Six sided polygons

Octagons • Eight sided polygons

Decagons • Ten sided polygons

Name the following polygons. 1 2 3

• 1 – HEXAGON • 2 – QUADRILATERAL • RECTANGLE • 3 - DECAGON

Name the following polygons. 1 2 3

• 1 – Octagon • 2 – Pentagon • 3 – Scalene Triangle

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