Cross sections of 3D objects

3 videos
3 skills

Slicing a rectangular pyramid

VIDEO 3:30 minutes
What happens when you slice vertically into a rectangular pyramid? What kind of geometric shape results?

Cross sections of 3D objects (basic)

PRACTICE PROBLEMS
Match 3D objects with their 2D cross-sections.

Ways to cross-section a cube

VIDEO 7:23 minutes
Learn about all the different ways we can obtain cross-sections of a cube.

Cross sections of 3D objects

PRACTICE PROBLEMS
Practice your knowledge of all possible cross-sections of common 3D objects.

Rotating 2D shapes in 3D

VIDEO 4:12 minutes
If you rotate a 2D shape about an axis, the shape will define a 3D object. Watch Sal rotating various 2D shapes and see what 3D objects he gets!

Rotate 2D shapes in 3D

PRACTICE PROBLEMS
Practice your 3D visualization skills by rotating 2D shapes.