Interior Angles of a Polygon - Calculation and Practice
Explore the sum and size of interior angles in polygons, including hexagons and pentagons. Learn how to calculate the number of sides based on interior angle sums. Engage in intelligent practice with provided examples and visual aids to enhance your understanding of polygon geometry concepts.
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Presentation Transcript
Interior angles of a polygon Interior angles of a polygon Silent Teacher Intelligent Practice Your Turn Narration Practice
Worked Example Your Turn a) Calculate the sum of the interior angles of a hexagon a) Calculate the sum of the interior angles of a pentagon b) Calculate the size of one interior angle of a regular hexagon b) Calculate the size of one interior angle of regular pentagon c) The sum of the interior angles of a polygon is 2700 . Calculate the number of sides c) The sum of the interior angles of a polygon is 2160 . Calculate the number of sides @MrTFarahmand
Number of sides Sum of interior angles Size of one interior angle in a regular polygon 3 180 360 7 9 10 144 1800 150 13 1980 14 2700 @MrTFarahmand
Number of sides Sum of interior angles Size of one interior angle in a regular polygon 3 180 60 4 360 90 7 900 128.6 9 1260 140 10 1440 144 12 1800 150 13 1980 152.3 14 2160 154.3 17 2700 158.8 @MrTFarahmand
