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Lesson 10-7 Pages 446-450. Polygons and Tessellations. What you will learn!. How to classify polygons and determine which polygons can form a tessellation. Vocabulary. What you really need to know!. Link to Pre-Made Lesson. Example 1:.

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## Lesson 10-7 Pages 446-450

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**Lesson 10-7Pages 446-450**Polygons and Tessellations**What you will learn!**How to classify polygons and determine which polygons can form a tessellation.**Example 1:**Determine whether the figure is a polygon. If it is, classify the polygon and state whether it is regular. If it is not a polygon, explain why. Not a polygon Has curves**Example 2:**Determine whether the figure is a polygon. If it is, classify the polygon and state whether it is regular. If it is not a polygon, explain why. Hexagon Not Regular**Example 3:**Find the measure of each angle of a regular heptagon. Round to the nearest tenth of a degree. 5 x 180 900° 900 ÷ 7 128.6°**Example 4:**Ms. Pena is creating a pattern on her wall. She wants to use triangles with angles 120°, 30°, and 30°. Can Ms. Pena create a tessellation with these triangles?**The sum of the measures of the angles where the vertices**meet in a tessellation is 360°. Since 360° is divisible by both 30° and 120°, the polygons can be arranged in a tessellation.**Page 448**Guided Practice #’s 4-7**Read:**Pages 446-448 with someone at home and study examples!**Homework: Page 449-450**#’s 8-28 all #’s 32-45 all Chapter Test Preparation Lesson Check 10-7**Page**589 Lesson 10-7**Study Guide and Review**Pages 462-464 #’s 6-22 (Odd answers in back of book)**Prepare for Test!**Pages 465 #’s 3-14, 16**Prepare for Test!**Pages 466-467 #’s 1-16

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