polygons 3-20, diagonal rule
Order by
20 terms
Catalan | English |
|---|---|
| triangle |  3 sided polygon |
| quadrilateral | 4 sided polygon |
| pentagon | 5 sided polygon |
| hexagon | 6 sided polygon |
| septagon | 7 sided polygon (starts with s) |
| heptagon | 7 sided polygon (starts with h) |
| octagon | 8 sided polygon |
| nonagon | 9 sided polygon |
| decagon | 10 sided polygon |
| hendecagon | 11 sided polygon |
| dodecagon | 12 sided polygon |
| triskaidecagon | 13 sided polygon |
| tetrakaidecagon | 14 sided polygon |
| pentakaidecagon | 15 sided polygon |
| hexakaidecagon | 16 sided polygon |
| heptakaidecagon | 17 sided polygon |
| octakaidecagon | 18 sided polygon |
| eneeakaidecagon | 19 sided polygon |
| icosagon | 20 sided polygon |
| (n(n-3))/2 | how to get diagonals |
First Time Here?
Welcome to Quizlet, a fun, free place to study. Try these flashcards, find others to study, or make your own.
Set Champions
Scatter Champion
19.9 secs by frenchfries1234
Space Race Champion
77,850 points by dflan94