# 2_4 guided reading - with the adjacent side of the polygon...

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Ch 2 section 4 Angles in Polygons Exploration (page 79). Complete the Type of polygon Number of sides Number of triangles formed Sum of angle measures of all the triangles Sum of the angle measures of the polygon Triangle Quadrilateral Pentagon Hexagon Heptagon Octagon Nonagon n-gon Triangle Quadrilateral Pentagon Hexagon Heptagon Octagon Nonagon Using the information you gathered develop a formula to find the sum of the angles of a polygon. The Angles of a Polygon

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In a with n sides, the sum of the is . The angles we just looked at are interior angles. If one side of the polygon is extended, the ray forms an
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Unformatted text preview: with the adjacent side of the polygon. At each vertex of a . The interior and exterior angle form a . Sum of the measures of = Sum of the measures of- Sum of the measures of n exterior angles The Exterior Angles of a Polygon The sum of the of the of any polygon is . Checking Key Concepts (page 82) 1.) hexagon 2.) 25-gon 3.) 2x-gon 4.) 5.) 6.) 7.) Find the....
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