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Splash Screen. Five-Minute Check (over Lesson 6–3) Main Idea and Vocabulary Key Concept: Congruent Polygons Example 1: Identify Congruent Polygons Example 2: Find Missing Measures Example 3: Find Missing Measures. Lesson Menu. Identify congruent polygons. congruent polygon.

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  1. Splash Screen

  2. Five-Minute Check (over Lesson 6–3) Main Idea and Vocabulary Key Concept: Congruent Polygons Example 1: Identify Congruent Polygons Example 2: Find Missing Measures Example 3: Find Missing Measures Lesson Menu

  3. Identify congruent polygons. • congruent polygon Main Idea/Vocabulary

  4. KC 1

  5. Identify Congruent Polygons Determine whether the trapezoids shown are congruent. If so, name the corresponding parts and write a congruence statement. Example 1

  6. Identify Congruent Polygons Answer: Since all pairs of corresponding angles and sides are congruent, the two trapezoids are congruent. One congruence statement is trapezoid EFGH  trapezoid QRST. Example 1

  7. A B C D A.B. C.D. If the triangles shown are congruent, which of the following statements is false. Example 1

  8. According to the congruence statement, H and S are corresponding angles. So, Find Missing Measures Answer: Since mH = 35°, mS = 35°. Example 2

  9. A B C D In the figure, A. 50° B. 55° C. 70° D. 75° Example 2

  10. In the figure, Find Missing Measures Answer: Since FG = 6 centimeters, QR = 6 centimeters. Example 3

  11. A B C D In the figures, A. 3 in. B. 4 in. C. 5 in. D. 6 in. Example 3

  12. End of the Lesson End of the Lesson

  13. Five-Minute Check (over Lesson 6–3) Image Bank Math Tools Investigating Congruent Triangles Reflections Resources

  14. A B C D (over Lesson 6-3) Find the sum of the interior angle measures of a hexagon. A. 720° B. 540° C. 900° D. 1080° Five Minute Check 1

  15. A B C D (over Lesson 6-3) Find the sum of the interior angle measures of a nonagon. A. 900° B. 1080° C. 1260° D. 1620° Five Minute Check 2

  16. A B C D (over Lesson 6-3) Find the measure of one interior angle in a regular octagon. Round to the nearest tenth if necessary. A. 135° B. 270° C. 540° D. 1080° Five Minute Check 3

  17. A B C D (over Lesson 6-3) Find the measure of one interior angle in a regular 14-gon. Round to the nearest tenth is necessary. A. 308.6° B. 154.3° C. 1080° D. 2160° Five Minute Check 4

  18. A B C D (over Lesson 6-3) Find the measure of one interior angle in a regular 56-gon. Round to the nearest tenth if necessary. A. 86.8° B. 9720° C. 3992.8° D. 173.6° Five Minute Check 5

  19. A B C D A. B. C.D. (over Lesson 6-3) The following statements are true about triangle XYZ. What are the angle measures of triangle XYZ? Five Minute Check 6

  20. End of Custom Shows

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