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Lesson 10-6 Pages 440-443

Lesson 10-6 Pages 440-443. Similar Figures. What you will learn!. How to determine whether figures are similar and find a missing length in a pair of similar figures. Vocabulary. What you really need to know!.

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Lesson 10-6 Pages 440-443

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  1. Lesson 10-6Pages 440-443 Similar Figures

  2. What you will learn! How to determine whether figures are similar and find a missing length in a pair of similar figures.

  3. Vocabulary

  4. What you really need to know! Two figures are similarif corresponding angles are congruent and corresponding sides are proportional. The symbol ~ means is similar to.

  5. ∆ABC ~ ∆DEF E B 10 8 5 4 A D C 3 6 F

  6. Corresponding angles A  D B  E C  F E Corresponding sides B 10 8 5 4 A D C 6 F 3

  7. Link to Pre-Made Lesson

  8. Example 1: If ∆ABC ~ ∆DEF, find the length of DF.

  9. Example 2: A rectangular picture window 12-feet long and 6-feet wide needs to be shortened to 9-feet in length to fit a redesigned wall. If the architect wants the new window to be similar to the old window, how wide will the new window be?

  10. Page 442 Guided Practice #’s 3-5

  11. Read: Pages 440-441 with someone at home and study examples!

  12. Homework: Page 442-443 #’s 6-15 all #’s 18-27 all Lesson Check 10-6

  13. Page 588 Lesson 10-6

  14. Study Guide and Review Pages 462-464 #’s 6-22 (Odd answers in back of book)

  15. Prepare for Test! Pages 465 #’s 3-13, 16

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