Bases of three-dimensional figures
key notes :
Pyramids and cones have one base.
Cubes, prisms, and cylinders have two bases that are parallel and congruent.
Learn with an example
➡️ Look at this figure:
What is the shape of its base?
- circle
- square
- triangle
- rectangle
This is a cone. Find its base.
The base is a circle.
➡️ Look at this figure:
What is the shape of its bases?
- rectangle
- triangle
- octagon
- pentagon
This is a rectangular prism. Find its bases.
The bases are rectangles.
➡️ Look at this figure:
What is the shape of its base?
- rectangle
- triangle
- circle
- octagon
This is a cone. Find its base.
The base is a circle.
Let’s practice!🖊️
