1. Geometry Name: __________________________ Unit 4 – Polygon NotesDate: ___________________________ Polygons – - __________________________________________________ - __________________________________________________ ____________________________________________________ - __________________________________________________ - __________________________________________________ ____________________________________________________ Examples: PolygonsNot Polygons

2. Convex Polygon – _______________________________________________ ____________________________________________________________ Geometry Name: __________________________ Unit 4 – Polygon NotesDate: ___________________________ Examples: Convex Polygons Non Convex Polygons Regular Polygon – ______________________________________________ ____________________________________________________________ Examples: Regular Polygons Irregular Polygons

3. n NameSum of Interior Angles Measure of each interior angle (if the polygon is regular) Sum of Exterior Angles Measure of each exterior angle (if the polygon is regular) Number of diagonals 3 4 5 6 7 8 9 10 n Geometry Name: __________________________ Unit 4 – Polygon NotesDate: ___________________________ The sum of the measures of the interior angles in a triangle is ________. Example 1 Example 4 Example 3 Example 2

4. Diagonal - ____________________________________________________ ____________________________________________________________ Geometry Name: __________________________ Unit 4 – Polygon NotesDate: ___________________________ To determine the number of diagonals that a polygon has use the following formula: Example 1Example 2 The sum of the measures of the interior angles of a convex polygon with n sides is _________________. The sum of the measures of the exterior angles of a convex polygon with any number of sides is always _______. Example 1Example 2