What's A 9 Sided Shape Called?

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Have you ever wondered what a 9 sided shape is called? It's not something that comes up in everyday conversation, but it's a question that has puzzled many people. In this article, we will explore the answer to this question in detail.

What is a 9 Sided Shape?

Before we dive into the name of this shape, let's first understand what it is. A 9 sided shape is a polygon with nine sides and nine angles. It is also known as a nonagon.

What is a Polygon?

A polygon is a shape with straight sides that are connected to each other to form a closed shape. Polygons can have any number of sides, but they must have at least three. Triangles, squares, and pentagons are all examples of polygons.

What is a Nonagon?

A nonagon is a polygon with nine sides and nine angles. The word nonagon comes from the Latin word "nonus," which means "ninth," and the Greek word "gonia," which means "angle."

Nonagons are not as well-known as some other polygons, but they can be found in various places. For example, the United States Department of the Treasury uses a nonagon-shaped seal on its currency.

Properties of a Nonagon

Like all polygons, nonagons have certain properties that make them unique. Below are some important properties of nonagons:

• A nonagon has nine sides and nine angles.
• The sum of the interior angles of a nonagon is 1260 degrees.
• The sum of the exterior angles of a nonagon is 360 degrees.
• A regular nonagon has equal side lengths and equal interior angles.

Real-Life Examples of Nonagons

Nonagons may not be as common as some other shapes, but they do appear in various places. Below are some examples of nonagons in real life:

• The United States Department of the Treasury uses a nonagon-shaped seal on its currency.
• The Enneagram of Personality is a model of human personality that is based on a nonagon.
• The nonagon is used as a symbol in various cultures and religions, including Christianity and Islam.

Conclusion

In conclusion, a 9 sided shape is called a nonagon. Nonagons are not as well-known as some other polygons, but they have unique properties that make them interesting. Nonagons can be found in various places in real life, including on currency, in personality models, and as symbols in various cultures and religions.

So the next time someone asks you what a 9 sided shape is called, you can confidently answer that it's called a nonagon!

Source: etc.usf.edu

Source: etc.usf.edu

Source: etc.usf.edu