Geometry Of 3D Objects Flashcards

1
Q

What is a tetrahedron?

A

A 3D shape made up of four triangles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is a hexahedron?

A

It is a 3D object made up of 6 squares

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is an octahedron?

A

A 3D shape made up of 8 triangles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is a dodecahedron?

A

A 3D object made up of 12 pentagons

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What is an icosahedron?

A

A 3D object made up of 20 triangles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is a Platonic solid?

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What kinds of plata tonic solids are there?

A
Tetrahedron
Hexahedron
Octahedron
Dodecahedron
Icosahedron
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

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

A

Faces+Vertices=Edges+2

Faces-edges+vertices=2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly