# How to pronounce icosahedron

Contents

## How is icosahedron pronounced?

## What does icosahedron mean?

: a polyhedron having 20 faces.

## Is icosahedron a word?

In geometry, an

**icosahedron**(/ˌaɪkɒsəˈhiːdrən, -kə-, -koʊ-/ or /aɪˌkɒsəˈhiːdrən/) is a polyhedron with 20 faces. The name comes from Ancient Greek εἴκοσι (eíkosi) ‘twenty’ and from Ancient Greek ἕδρα (hédra) ‘ seat’. The plural can be either “**icosahedra**” (/-drə/) or “icosahedrons”.## How is dodecahedron pronounced?

## Why is it called a dodecahedron?

Volume and Surface Area. It is

**called a dodecahedron**because it is a polyhedron that has 12 faces (from Greek dodeca- meaning 12).## What is called dodecahedron?

In geometry, a

**dodecahedron**(Greek δωδεκάεδρον, from δώδεκα dōdeka “twelve” + ἕδρα hédra “base”, “seat” or “face”) or duodecahedron is any polyhedron with twelve flat faces. The most familiar**dodecahedron**is the regular**dodecahedron**with regular pentagons as faces, which is a Platonic solid.