## Is a heptagon 8 sides?

A heptagon is a polygon that has seven sides. It is a closed figure having 7 vertices.

What is a 12 sided shape called?

dodecagon
A dodecagon is a 12-sided polygon. Several special types of dodecagons are illustrated above. In particular, a dodecagon with vertices equally spaced around a circle and with all sides the same length is a regular polygon known as a regular dodecagon.

What do you call a shape with 9 sides?

A nonagon is a polygon made up of 9 sides and 9 angles. Nonagon = Nona + gon where Nona means nine and gon means sides.

### How many sides does a septagon?

seven-sided
A heptagon is a seven-sided polygon. It is also sometimes called a septagon, though this usage mixes a Latin prefix sept- (derived from septua-, meaning “seven”) with the Greek suffix -gon (from gonia, meaning “angle”), and is therefore not recommended.

What is a 8 sided shape called?

octagon
An octagon is a shape with 8 sides and 8 angles. A trapezoid is a quadrilateral with one set of parallel sides.

Is there a shape with 11 sides?

A geometrical figure with three or more sides is called a polygon or a polyhedron….Polygons: How Many Sides?

3 triangle, trigon
8 octagon
9 nonagon, enneagon
10 decagon
11 hendecagon

#### What is 13 sided shape called?

Tridecagon
A 13-sided polygon, sometimes also called the triskaidecagon.

What is a 1 trillion sided shape called?

Chiliagon

Regular chiliagon
Coxeter–Dynkin diagrams
Symmetry group Dihedral (D1000), order 2×1000
Internal angle (degrees) 179.64°
Properties Convex, cyclic, equilateral, isogonal, isotoxal

What is a billion sided shape called?

Regular megagon
Megagon

Regular megagon
Type Regular polygon
Edges and vertices 1000000
Schläfli symbol {1000000}, t{500000}, tt{250000}, ttt{125000}, tttt{62500}, ttttt{31250}, tttttt{15625}
Coxeter–Dynkin diagrams

## What is a shape with 10000 sides called?

In geometry, a myriagon or 10000-gon is a polygon with 10,000 sides. Several philosophers have used the regular myriagon to illustrate issues regarding thought.

What is a shape with 8 sides called?

An octagon is a shape with 8 sides and 8 angles.