**What Is A 20 Sided 3D Shape Called? A 20 sided 3D shape is called a icosahedron.**

**What is a 20 sided shape 3D?** A 20-sided shape is a 3D shape that has 20 faces. It is also known as a icosahedron.

**What is the longest shape name?** There is no definitive answer to this question as it depends on how you define the longest shape name. However, some contenders for the title could be the word “rectangle,” which is six letters long, or the word “hexagon,” which is seven letters long.

**What 3D shape has 20 sides?** A dodecahedron is a 3D shape with 20 sides.

## Frequently Asked Questions

### Is A D20 A Dodecahedron?

Yes, a d20 is a dodecahedron. It has 20 sides and is made out of plastic or metal.

### What Is A 21 Sided Shape Called?

The 21 sided shape is called a hendecagon.

### What Is A Sphere With 20 Sides Called?

A sphere with 20 sides is called a dodecahedron.

### What Is A 36 Sided Shape Called?

A 36 sided shape is called a heptadecagon.

### What Is A Dice With 20 Sides Called?

A dice with 20 sides is called a tetrahedron.

### What Is A 20 Sided Shape Called 3D?

A 20 sided shape is called a 3D dodecahedron.

### How Do You Make A 20D Dice?

You can make a 20d dice using 20 square pieces of paper.

A 20-sided 3D shape is called a icosidodecahedron.