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What is 9 sided polygon called?
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.
What does a 9 sided polygon add up to?
1260°
The General Rule
| Shape | Sides | Sum of Interior Angles |
|---|---|---|
| Octagon | 8 | 1080° |
| Nonagon | 9 | 1260° |
| … | … | .. |
| Any Polygon | n | (n−2) × 180° |
How many sides does a 9 polygon have?
Polygons: How Many Sides?
| 3 | triangle, trigon |
|---|---|
| 6 | hexagon |
| 7 | heptagon |
| 8 | octagon |
| 9 | nonagon, enneagon |
How many degrees are in a nonagon?
Nonagon/Sum of interior angles
How many triangles does nonagon have?
Properties of all nonagons
| Number of diagonals | 27 |
|---|---|
| Number of triangles | 7 |
| Sum of interior angles | 1260° |
How many sides and angles does a regular Nonagon have?
nine
A regular nonagon has nine equal sides and nine equal interior angles.
What polygon has 10 sides?
Triangle – 3 sides
What is polygon with 9 sides called?
A nonagon, also called an enneagon, is a polygon with nine sides. The name comes partially from the Latin word for ninth, “nonus.”. A nonagon is an uncommon polygon compared to other polygons like hexagons or octagons.
What are facts about polygon?
A polygon is a plane (2 dimensional) figure that features at least 3 straight sides and angles. A regular polygon has sides which are all the same length as well as angles which are all the same. Examples of regular polygons include the equilateral triangle and square.
What are the names of all the polygons?
Some polygon names include triangle, quadrilateral, pentagon, hexagon and septagonn. Most polygon names are derived from a Greek word referring to the number of sides a shape has. A polygon is a closed connection of line segments. Each line segment is called a side.