Polygon Presentation

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Polygon Presentation

• By Elaine Hersh, Anna Oleszczuk, and Sarah Meder

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Resource Page
Polygon names
Name Sides
triangle 3
quadrilateral 4
pentagon 5
hexagon 6
heptagon 7
octagon 8
nonagon 9
decagon 10
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Resource Page
undecagon 11
dodecagon 12
triskaidecagon 13
pentadecagon 15
heptadecagon 17
enneadecagon 19
icosagon 20
triacontagon 30
pentacontagon 50
hectagon 100
chiliagon 1000
myriagon 10,000
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Resource Page
Tens Tens and Ones Ones final prefix
Tens Tens -kai- 1 hena- -gon
20 icosi- -kai- 2 -di- -gon
30 triaconta- -kai- 3 -tri- -gon
40 tetraconta- -kai- 4 -tetra- -gon
50 pentaconta- -kai- 5 -penta- -gon
60 hexaconta- -kai- 6 -hexa- -gon
70 heptaconta- -kai- 7 -hepta- -gon
80 octaconta- -kai- 8 -octa- -gon
90 enneaconta- -kai- 9 -ennea- -gon
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
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Types of Polygons

• Regular Polygons
• Triangles
• Quadrilaterals
• Pentagons
• Hexagons
• Octagons
• Decagons

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Regular Polygons

• All of the sides and the angles are congruent

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Triangles

• Three sided polygons

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Quadrilaterals

• Four sided polygons

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Pentagons

• Five sided polygons

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Hexagons

• Six sided polygons

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Octagons

• Eight sided polygons

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Decagons

• Ten sided polygons

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Name the following polygons.
1
3
2
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• 1 HEXAGON
• 2 QUADRILATERAL
• RECTANGLE
• 3 - DECAGON

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Name the following polygons.
1
2
3
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• 1 Octagon
• 2 Pentagon
• 3 Scalene Triangle

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What polygons can you find

• In your classroom?
• On the playground?
• In your own home?