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Similar Figures and Proportions PowerPoint PPT Presentation


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Similar Figures and Proportions. Warm-Up. Determine whether the ratios are proportional. 1. 5 7 2. 18 10 8, 14 54, 30 Explain two different ways to determine if two ratios are proportional. Warm-Up Review. 1. 5 7 8, 14 18 10 54 , 30 3.

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Similar Figures and Proportions

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Similar Figures and Proportions


Warm-Up

  • Determine whether the ratios are proportional.

    1. 572. 1810

    8, 14 54, 30

  • Explain two different ways to determine if two ratios are proportional.


Warm-Up Review

1. 57

8, 14

  • 1810

    54 , 30

    3.


  • 1. What is the definition of similar?

  • 2. What characteristics are used to determine whether two objects are similar to each other?


Anticipation Guide

  • Read a selection.

  • Determine whether each statement is true or false.

  • Try and find evidence that supports your decision.

  • If a statement if false, try and correct it to make it true.


Characteristics of Similar Figures


Identify Corresponding Sides


Guided Practice

  • http://player.discoveryeducation.com/index.cfm?guidAssetId=eb015eb6-8474-4a44-ad10-ab6b24253095

  • Complete #’s 1-4 on pg. 282


Guided Practice Answers


Homework

  • Standard +: pg. 270 #’s 28-35

  • Honors: pg. 370 #’s 1-3


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