# What are 7 9 and 10 sided shapes called?

## What are 7 9 and 10 sided shapes called?

2D ShapesTriangle – 3 SidesSquare – 4 SidesPentagon – 5 SidesHexagon – 6 sidesHeptagon – 7 SidesOctagon – 8 SidesNonagon – 9 SidesDecagon – 10 SidesMore …

What is the name for a 10 sided shape?

Decagon

What is a 600 sided shape called?

NAMING POLYGONS60070gonhexa + hectaheptacontagon

### What is the 20 sided shape called?

Icosagon

What is an 18 sided shape called?

An 18-sided polygon, sometimes also called an octakaidecagon.

What is a 15 sided shape?

#### What is a hundred sided shape called?

hectogon

What is a regular 12 Gon?

Regular Dodecagon In geometry, a pentagon is a twelve-sided polygon or 12-gon.

What 3d shape has 12 sides?

dodecahedron

## How many sides does a regular polygon have?

Names of Regular PolygonsRegular PolygonNumber of SidesExterior AnglesEquilateral triangle3 sides3 exterior angles of 120°Square4 sides4 exterior angles of 90°Regular pentagon5 sides5 exterior angles of 72°Regular hexagon6 sides6 exterior angles of 60°2