This is the "8.1: Ratio and Proportions" page of the "Geometry Chapter 8" guide.
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Geometry Chapter 8   Tags: geometry, mahlman, math  

Last Updated: Feb 20, 2013 URL: http://libguides.mpsaz.net/content.php?pid=87950 Print Guide RSS Updates

8.1: Ratio and Proportions Print Page
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Theorem

Ratio: a comparison of two quantities that are measured in the SAME unit. (Use conversion help!!! to practice putting measurement in correct units of measurement!) 

Symbols: a to b; a:b; a/b

 

Proportions: an equation that equates two ratios.

  Symbols:

  

   Properties:

1. Cross Product Property:

If , then wz = xy

  2. Reciprocal Property:

  If  then 

 

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