Intro to 3D Figures & Nets Warmup

3D figures are made up of the following parts:

• corner where the edges meet

• edge

• line segment that joins to faces

• face

• flat surface of 3D figure

• vertex

• a special face, names the shape

• base

Use the following terminology to label the various parts the rectangular prism.

d

c

b

a

base

edge

face

vertex

Use the following terminology to label the various parts the triangular pyramid.

d

c

b

a

vertex

base

face

edge

Select the hotspot to be able to identify the parallel base to the pink highlighted base in the cube.

Match the following 3D figure with its name:

• Triangular Prism

• 
• Cube

• 
• Rectangular Prism

• 
• Triangular Pyramid

• 
• Square Pyramid

• 

Match the following net to its correct 3D figure:

• Triangular Prism

• 
• Rectangular Prism

• 
• Square Pyramid

• 
• Cube

• 
• Triangular Pyramid

• 

What is the difference between a prism and a pyramid? Choose all that apply:

• A prism has rectangular faces, a pyramid has triangular faces that come to a vertex.

• A prism has two bases, a pyramid has one base.

• A prism has 8 vertexes, a pyramid has 1.

Answer explanation

A prism has rectangular faces, a pyramid has triangular faces that come to a vertex. A prism has two bases, a pyramid has one base.