Nonagon - Wikipedia In geometry, a nonagon ( ˈnɒnəɡɒn ) or enneagon ( ˈɛniəɡɒn ) is a nine -sided polygon or 9-gon The name nonagon is a prefix hybrid formation, from Latin (nonus, "ninth" + gonon), used equivalently, attested already in the 16th century in French nonogone and in English from the 17th century
List of polygons - Wikipedia In geometry, a polygon is traditionally a plane figure that is bounded by a finite chain of straight line segments closing in a loop to form a closed chain These segments are called its edges or sides, and the points where two of the edges meet are the polygon's vertices (singular: vertex) or corners
Nonagon | Properties, Types and Examples - GeeksforGeeks A nonagon is a polygon with nine sides and nine angles, and its form can be either regular or irregular The sides connect the vertices, and the shape can be convex or concave based on the equality of its sides and angles
Nonagon -- from Wolfram MathWorld The nonagon, also known as an enneagon, is a 9-sided polygon Although the term "enneagon" is perhaps preferable (since it uses the Greek prefix and suffix instead of the mixed Roman Greek nonagon), the term "nonagon," which is simpler to spell and pronounce, is used in this work
Nonagon - Definition, Formula, Examples | Nonagon Shape - Cuemath What is a Nonagon Shape? A nonagon is a nine-sided geometrical figure which can be regular, irregular, convex or concave depending upon its sides and interior angles Observe the figure given below to see what a nonagon looks like
Nonagon - Math. net There are various types of nonagons; the figure below depicts a few A regular nonagon has angles and interior angles that are all equal Below are some properties of a regular nonagon, as well as some properties that apply to all nonagons Each interior angle in a regular nonagon measures 140°