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February 2, 2011

February 2, 2011. Write your homework in your agenda: Kuta-software worksheet 2) Set up for Cornell Notes 3) Here’s your Warm-Up …. Similar Figures. 5-7. What am I learning today?. Similar Figures. What will I do to show that I learned it?.

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February 2, 2011

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  1. February 2, 2011 • Write your homework in your agenda: Kuta-software worksheet 2) Set up for Cornell Notes 3) Here’s your Warm-Up…

  2. Similar Figures 5-7 What am I learning today? Similar Figures What will I do to show that I learned it? Understand the meaning of similarity, visually compare geometric figures for similarity, and describe similarity by listing corresponding parts. Course 2

  3. Similar Figures Course 2 5-7 Proportion Reminder: In order for two ratios to form a true proportion, cross products MUST be equal.

  4. Similar Figures Course 2 5-7 Two figures are similar if: 1. Corresponding sides are proportionate. 2. Corresponding sides are dilated by the same scale factor.

  5. Similar Figures Course 2 5-7 Two ways to solve for the missing side. * Use a proportion * Use the scale factor

  6. Similar Figures Course 2 5-7 Using a Proportion: • 1. Write a proportion. The first ratio should be the two corresponding sides you know. The second should be the corresponding sides with one measure missing.

  7. Similar Figures Course 2 5-7 • 2. Solve the proportion using cross products.

  8. Similar Figures Course 2 5-7 Using the Scale Factor: • 1. Find the scale factor by using the equation and two corresponding sides.

  9. Similar Figures Course 2 5-7 • 2. Use the scale factor and equation to find the missing measurement.

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