A video explaining how to use similarity of shapes to find missing areas and volumes.
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0:00 Intro
0:10 Finding scale factors for area
2:41 Finding scale factors for volume
5:41 Example 1 - Finding a missing area
7:02 Example 2 - Finding a missing volume
8:19 Example 3 - Finding a missing area but on the smaller shape
9:25 Example 4 - Question with no lengths (only area/volume)
11:16 Example 5 - Length given as a ratio
12:53 Example 6 - Volume given as a ratio
14:11 Example 7 - Using volume of a prism formula
16:57 Example 8 - Problem solving
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