Lesson 8.7: Describe Cross Sections of Figures

Lesson 8.7: Describe Cross Sections of Figures

By Reed Carbone

Definitions:

Cross Section: A cross section is like a slice of a 3-D figure. If you slice through a 3-D figure, the cross section is the shape of the slice.​

Subject | Subject

Some text here about the topic of discussion

​Visuals:

​What is the shape of the cross section?

​What is the area of the cross section if the cylinder has radius 10 and height 20?

​What is the cross section of this prism?

Multiple Choice

What is the cross section shown?

• Cone

• Triangle

• Sphere

• Circle

Multiple Choice

How many different cross sections can you find in a cone?

• 1

• 2

• 3

• 4

Multiple Choice

You can find the area of this cross section by doing what?

• $$A\ =\ \pi r^2$$  

• $$C=\pi d$$  

• $$A\ =\frac{1}{2}bh$$  

• $$A\ =\ l\times w$$  

​Conclusion: Write 2 complete sentences about what you learned.