View Nonagon Sides And Angles Pictures. Therefore to find the measure of one exterior angle of any regular (all angles are congruent) polygon, divide 360 by the number of angles. The first use of the word nonagon dates back to the early 17th century, and has a latin prefix (nona) and a greek suffix (gon), making it a polygon with nine sides and nine angles.
Go Geometry: June 2009 from gogeometry.com A polygon has as many angles as it has sides. The nonagon is said to be a 9 sided polygon. A polygon is any figure sided with three sides and above such that triangle (3) is the smallest polygon.
Method to trisect supplementary angles:
Each time we add a side (triangle to quadrilateral, quadrilateral to pentagon, etc), we add another 180° to the total nonagon. A polygon of nine angles and nine sides. The measure of its angles are different but total sum of all its interior angles is always 1260°. If a polygon possesses nine sides and nine angles, then it can be termed as nonagon.
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