What Is A 12 Sided Shape Called?
Have you ever come across a 12 sided shape and wondered what it's called? Well, you're not alone! Many people are unaware of the correct name for this shape, but fear not, by the end of this article, you'll have a complete understanding of what it's called and all the fascinating information that comes with it.
What is a 12 Sided Shape?
Before we dive into the name of this shape, let's first understand what it actually is. A 12 sided shape is a polygon, which means it has straight sides and angles. A polygon is a two-dimensional shape made up of straight lines that connect together to form a closed shape. In the case of a 12 sided shape, it has 12 straight sides and 12 angles.
What is the Name of a 12 Sided Shape?
The correct name for a 12 sided shape is a dodecagon. It comes from the Greek words "dodeka" meaning twelve, and "gonia" meaning angle. Therefore, a dodecagon is a polygon with 12 angles and 12 sides. It is a regular polygon, which means all its sides and angles are equal.
Types of Dodecagon
There are two types of dodecagon: regular and irregular. A regular dodecagon is a dodecagon with all its sides and angles the same size, while an irregular dodecagon has sides and angles of different sizes.
Interesting Facts About Dodecagon
Here are some fascinating facts about the dodecagon:
- The dodecagon is a highly symmetrical shape, which is why it is often used in architecture and design.
- The dodecagon is a useful shape in mathematics as it can be used to create polygons with different numbers of sides.
- The dodecagon has a total of 54 diagonals, which are lines that connect two non-adjacent vertices.
- The interior angles of a dodecagon add up to 1800 degrees.
How to Calculate the Area of a Dodecagon
To calculate the area of a dodecagon, you can use the following formula:
Area of a Dodecagon = (3 × √3 × s2) ÷ 2
Where s is the length of one of the sides of the dodecagon.
How to Calculate the Perimeter of a Dodecagon
To calculate the perimeter of a dodecagon, you can use the following formula:
Perimeter of a Dodecagon = 12s
Where s is the length of one of the sides of the dodecagon.
Real-Life Examples of Dodecagon
The dodecagon can be found in many real-life examples, including:
- Stop signs are shaped like a regular dodecagon.
- The Colosseum in Rome has a dodecagon shape at its base.
- The British one pound coin has a dodecagon shape.
- The dome of the Florence Cathedral in Italy has a dodecagon shape.
Conclusion
Now you know that a 12 sided shape is called a dodecagon. It is a highly symmetrical shape that is often used in architecture and design. It has many interesting properties in mathematics, including the ability to create polygons with different numbers of sides. Remember, if you ever come across a dodecagon, you can impress your friends with your newfound knowledge of this fascinating shape.
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