Geometry Of 3D Objects Flashcards Preview

Abi Mathematics 2015 > Geometry Of 3D Objects > Flashcards

Flashcards in Geometry Of 3D Objects Deck (8):
1

What is a tetrahedron?

A 3D shape made up of four triangles

2

What is a hexahedron?

It is a 3D object made up of 6 squares

3

What is an octahedron?

A 3D shape made up of 8 triangles

4

What is a dodecahedron?

A 3D object made up of 12 pentagons

5

What is an icosahedron?

A 3D object made up of 20 triangles

6

What is a Platonic solid?

A 3D object the vertices of which add up exactly to 360°

7

What kinds of plata tonic solids are there?

Tetrahedron
Hexahedron
Octahedron
Dodecahedron
Icosahedron

8

What is the relationship between the faces, vertices and edges of solids?

Faces+Vertices=Edges+2
Faces-edges+vertices=2