# Search by Topic

#### Resources tagged with Icosahedra similar to Classifying Solids Using Angle Deficiency:

Filter by: Content type:
Stage:
Challenge level:

##### Other tags that relate to Classifying Solids Using Angle Deficiency
Symmetry. Dodecahedra. Cubes. Tetrahedra. Networks/Graph Theory. Polyhedra. Prisms. Mathematical reasoning & proof. Icosahedra. Manipulating algebraic expressions/formulae.

### There are 4 results

Broad Topics > 3D Geometry, Shape and Space > Icosahedra

### Classifying Solids Using Angle Deficiency

##### Stage: 3 and 4 Challenge Level:

Toni Beardon has chosen this article introducing a rich area for practical exploration and discovery in 3D geometry

### Icosian Game

##### Stage: 3 Challenge Level:

This problem is about investigating whether it is possible to start at one vertex of a platonic solid and visit every other vertex once only returning to the vertex you started at.

### Paper Folding - Models of the Platonic Solids

##### Stage: 2, 3 and 4

A description of how to make the five Platonic solids out of paper.

### Proximity

##### Stage: 4 Challenge Level:

We are given a regular icosahedron having three red vertices. Show that it has a vertex that has at least two red neighbours.