Tool to find the name of geometric shapes. Polygons are geometrical shapes in the plane 2D and polyhedra are geometric shapes in the space 3D

Name of Geometric Shapes - dCode

Tag(s) : Geometry

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Tool to find the name of geometric shapes. Polygons are geometrical shapes in the plane 2D and polyhedra are geometric shapes in the space 3D

Indicate to dCode the number of sides and it will find the name.

Example: 6: HEXAGON

Example: 12: DODECAGON

Here is the list as a table of all the regular geometric shapes of the 2D plane (table of n-sided **polygon** names):

# | Name of the Polygon + Geometric Drawing |
---|---|

1 side | monogon |

2 sides | digon |

3 sides | triangle or trigon |

4 sides | quadrilateral or quadrangle or tetragon |

5 sides | pentagon |

6 sides | hexagon |

7 sides | heptagon |

8 sides | octogon |

9 sides | enneagon (ou nonagon) |

10 sides | decagon |

11 sides | hendecagon |

12 sides | dodecagon |

13 sides | tridecagon |

14 sides | tetradecagon |

15 sides | pentadecagon |

16 sides | hexadecagon |

17 sides | heptadecagon |

18 sides | octadecagon |

19 sides | enneadecagon |

20 sides | icosagon |

21 sides | henicosagon |

22 sides | doicosagon |

23 sides | triaicosagon |

24 sides | tetraicosagon |

25 sides | pentaicosagon |

26 sides | hexaicosagon |

27 sides | heptaicosagon |

28 sides | octaicosagon |

29 sides | enneaicosagon |

30 sides | triacontagon |

31 sides | hentriacontagon |

32 sides | dotriacontagon |

33 sides | tritriacontagon |

34 sides | tetratriacontagon |

35 sides | pentatriacontagon |

36 sides | hexatriacontagon |

37 sides | heptatriacontagon |

38 sides | octatriacontagon |

39 sides | enneatriacontagon |

40 sides | tetracontagon |

50 sides | pentacontagon |

60 sides | hexacontagon |

70 sides | heptacontagon |

80 sides | octacontagon |

90 sides | enneacontagon |

100 sides | hectogon |

200 sides | dihectogon |

300 sides | trihectogon |

400 sides | tetrahectogon |

500 sides | pentahectogon |

600 sides | hexahectogon |

700 sides | heptahectogon |

800 sides | octahectogon |

900 sides | enneahectogon |

1000 sides | chiliagon |

10000 sides | myriagon |

1000000 sides | megagon |

Indicate the number of faces and it will find the name of the 3D geometrical figure.

Example: 6: HEXAEDRON

Example: 12: DODECAEDRON

Here is a table of all the regular geometric shapes/polyhedron of 3D space (table of names of n-faced **polyhedra**):

# | Name of the Shape (Drawing) |
---|---|

1 face | monohedron |

2 faces | dihedron |

3 faces | trihedron |

4 faces | tetrahedron |

5 faces | pentahedron |

6 faces | hexahedron |

7 faces | heptahedron |

8 faces | octohedron |

9 faces | enneahedron |

10 faces | decahedron |

11 faces | hendecahedron |

12 faces | dodecahedron |

13 faces | tridecahedron |

14 faces | tetradecahedron |

15 faces | pentadecahedron |

16 faces | hexadecahedron |

17 faces | heptadecahedron |

18 faces | octadecahedron |

19 faces | enneadecahedron |

20 faces | icosahedron |

21 faces | henicosahedron |

22 faces | doicosahedron |

23 faces | triaicosahedron |

24 faces | tetraicosahedron |

25 faces | pentaicosahedron |

26 faces | hexaicosahedron |

27 faces | heptaicosahedron |

28 faces | octaicosahedron |

29 faces | enneaicosahedron |

30 faces | triacontahedron |

31 faces | hentriacontahedron |

32 faces | dotriacontahedron |

33 faces | tritriacontahedron |

34 faces | tetratriacontahedron |

35 faces | pentatriacontahedron |

36 faces | hexatriacontahedron |

37 faces | heptatriacontahedron |

38 faces | octatriacontahedron |

39 faces | enneatriacontahedron |

40 faces | tetracontahedron |

50 faces | pentacontahedron |

60 faces | hexacontahedron |

70 faces | heptacontahedron |

80 faces | octacontahedron |

90 faces | enneacontahedron |

100 faces | hectohedron |

200 faces | dihectohedron |

300 faces | trihectohedron |

400 faces | tetrahectohedron |

500 faces | pentahectohedron |

600 faces | hexahectohedron |

700 faces | heptahectohedron |

800 faces | octahectohedron |

900 faces | enneahectohedron |

1000 faces | chiliahedron |

10000 faces | myriahedron |

1000000 faces | megahedron |

Some resources for children are great to learn shapes such as here

All regular **polygons** have at least one axial symmetry.

A regular **polygon** with as many axes of symmetry as it possesses sides.

The axes of symmetry pass through the center of the **polygon** and the center of each side or each vertex/corner.

All regular **polygons** with an even side number have a central symmetry (the center of the **polygon**). **Polygons** with an odd number of sides have no central symmetry.

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Source : https://www.dcode.fr/geometric-shapes

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