What Is The Shape With 9 Sides Called?
Shapes are all around us, and they come in different sizes and forms. Some shapes have familiar names like circles, squares, and triangles, while others have more complex names that are not commonly used. Have you ever wondered what a shape with nine sides is called? In this article, we will explore the name of this shape and some interesting facts about it.
The Name of the Shape with 9 Sides
The shape with nine sides is called a nonagon. The term nonagon is derived from the Greek words "nona" meaning nine and "gonia" meaning corner or angle, making it a nine-sided polygon. The nonagon has nine vertices or corners, nine sides, and nine angles.
Properties of a Nonagon
A nonagon is a closed shape that has nine straight sides and nine angles that add up to 1260 degrees. Each angle of a nonagon measures 140 degrees. The nonagon has nine lines of symmetry, which means you can divide it into nine equal parts by drawing lines from the center to the vertices. The area of a nonagon can be calculated by multiplying the perimeter with the apothem and dividing the result by two.
The apothem is a line segment that connects the center of the nonagon to the midpoint of one of its sides. The perimeter is the sum of all the sides of the nonagon.
Real-life Examples of Nonagons
Nonagons are not as common as circles, squares, and triangles, but they can be found in different forms in real-life objects. Some examples of objects that have a nonagon shape include:
- A stop sign - The stop sign has a red octagon shape with a white border, and it has the word "STOP" written in white letters.
- A baseball diamond - A baseball diamond is a square-shaped field with four bases that are arranged in a diamond shape.
- A garden bed - A garden bed can be designed in various shapes, including a nonagon shape. This shape can make the garden look more attractive and unique.
Interesting Facts About Nonagons
Here are some interesting facts about nonagons:
- The nonagon is the smallest regular polygon that cannot be constructed using only a compass and a straightedge.
- The nonagon is a common shape in Islamic art and architecture.
- The nonagon can be used to create a star shape called a nonagram.
Conclusion
In conclusion, the shape with nine sides is called a nonagon. It is a unique shape that has interesting properties and can be found in different real-life objects. Knowing the name and properties of a nonagon can help you appreciate the beauty of shapes and their significance in our daily lives.
So, the next time you see a stop sign or a garden bed in a nonagon shape, you will know its name and some fun facts about it.
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