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6-1 The Polygon Angle-Sum Theorems

6-1 The Polygon Angle-Sum Theorems. *I CAN find the sum of the interior angles of a polygon. *I CAN also find the sum of the exterior angles of a polygon. *I CAN understand and use these terms: equilateral polygon, equiangular polygon, and regular polygon. triangle. quadrilateral. n. 17.

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6-1 The Polygon Angle-Sum Theorems

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  1. 6-1 The Polygon Angle-Sum Theorems *I CAN find the sum of the interior angles of a polygon. *I CAN also find the sum of the exterior angles of a polygon. *I CAN understand and use these terms: equilateral polygon, equiangular polygon, and regular polygon.

  2. triangle quadrilateral n 17 15 2700 2700

  3. 9 9 7 9 140 140

  4. 4 m ےG 85 120 53 2 258 360 102 102

  5. 360 72 360 56

  6. 40°, because you can divide 360 by 9, the number of sides in a nonagon.

  7. Objective Practices • Lesson Check: pg. 356 #1-6 • Before you leave class today! • HW: pg. 356 – 357 #7 – 41 odds

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