Properties of 3D Shapes

Take a look at some of the language used to describe the properties of 3-dimensional (3D) shapes below:

edge

flat

straight

corner, vertices or vertex

face

Cube

How many faces?

6 square faces

How many edges?

12 edges

How many corners/vertices?

8 corners/vertices

Are all the edges the same length?

yes

Rectangular Prism/Cuboid

How many faces?

6 faces in total

How many edges?

12 straight edges

How many corners/vertices?

8 corners/vertices

Are all the edges the same length?

no

at least 4 rectangular faces

Triangular Prism

How many faces?

5 faces in total

How many edges?

9 straight edges

How many corners/vertices?

6 corners/vertices

2 triangular faces

3 rectangular faces

Square-Based Pyramid

How many faces?

5 faces in total

How many edges?

8 straight edges

How many corners/vertices?

5 corners/vertices

4 triangular faces that make the sharp point

1 square face as the base

Pentagonal Prism

How many faces?

7 faces in total

How many edges?

15 straight edges

How many corners/vertices?

10 corners/vertices

2 pentagonal faces

5 rectangular faces

Hexagonal Prism

How many faces?

8 faces in total

How many edges?

18 straight edges

How many corners/vertices?

12 corners/vertices

2 hexagonal faces

6 rectangular faces