circles-lesson-lesson-7-proportions-and-review

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Download the note taking guide here

http://www.moomoomath.com/High-School-Geometry-Circles-Unit7-and8.html

This is a long video so please take advantage of the video guide

0:33 Define linear measurement ( radius and diameter)

0:57 Area measure explained

1:03 Volume explained

1:54 How to convert the linear relationship to an area relationship and a volume relationship

These are several examples of converting from linear to area to volume and keeping the correct ratios

2:56 Example 2

4:11 Example 3

4:59 Example 4

6:20 Example 5

7:00 Application problems on surface area and volume A balloon has a radius of 6in. Describe what happens to the balloon's surface area if the balloon inflates and the radius changes to 12in.

9:08 2. Describe what happens to the same balloon's volume if the radius is doubled

10:02 3. A sphere has a radius of 4 in. What happens to the sphere's volume if the radius is halved?

11:25 4. A sphere has a radius of 8in. What happens to the sphere's surface area if the radius is halved?

12:25 Fills in radius,surface area and volume chart

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Tagged under: Proportions,Volume (Dimension),math ,Geometry (Field Of Study),ratios geometery,Area (Dimension),radius,linear measurements,Lesson,sphere,geometry ,math tutorial,moomoomath,geometry lessons

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