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Scale Factor MA.7.4.2By:

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What is Scale Factor? Scale factor is the ratio between the lengths of corresponding sides of two similar figures. Scale factor is the ratio between the lengths of corresponding sides of two similar figures.

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Example of Scale Factor Scale factor is 2. Scale factor is 2. Double the length and the width. Double the length and the width. Area is 4 times greater. Area is 4 times greater.

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Question What is the scale factor? How much larger is the area of new square?

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Solution The scale factor is 3. The scale factor is 3. The area is 9 times greater. The area is 9 times greater. 3 3

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Credits Thank you for watching my presentation. Thank you for watching my presentation. I hope if you had any questions on scale factor I had answered it in the presentation. I hope if you had any questions on scale factor I had answered it in the presentation. If you have any questions I will try to answer them. If you have any questions I will try to answer them. I got my definition and example from the math on call book. I got my definition and example from the math on call book. THANK YOU FOR WATCHING!!!!! THANK YOU FOR WATCHING!!!!!

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1 Geometry Section 7-1A Changing the Size of Figures Page 462 You will need a calculator with sin/cos/tan in 2 weeks. Freshmen - TI 30 XII S recommended.

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