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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 *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 15 2700 2700
9 9 7 9 140 140
4 m ےG 85 120 53 2 258 360 102 102
360 72 360 56
40°, because you can divide 360 by 9, the number of sides in a nonagon.
Objective Practices • Lesson Check: pg. 356 #1-6 • Before you leave class today! • HW: pg. 356 – 357 #7 – 41 odds