Lesson 8.7: Describe Cross Sections of Figures

Presentation

•

Mathematics

•

7th Grade

•

Hard

•

CCSS

7.G.A.3

Standards-aligned

Reed Carbone

Used 52+ times

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7 Slides • 3 Questions

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?

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.

Lesson 8.7: Describe Cross Sections of Figures

By Reed Carbone

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