Identifying scale copies (Full video)

Khan Academy
Supporting grades: 7

Description: Sal looks at side measures on figures to determine if they are scale copies. What we're going to do in this video is look at pairs of figures, and see if they are scaled copies of each other. For example, in this diagram, is Figure B a scaled version of Figure A? One way is to say, "Well, let's see what the scaling factor would be."

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