Triacontagon facts for kids
A triacontagon is a special shape. It has 30 straight sides and 30 corners. You can also call it a 30-gon. Imagine a shape with many, many sides – that's a triacontagon!
What is a Regular Triacontagon?
A regular triacontagon is a very balanced shape. This means all of its 30 sides are exactly the same length. Also, all of its 30 corners (or angles) are exactly the same size.
Angles of a Regular Triacontagon
Each corner inside a regular triacontagon measures 168 degrees. If you add up all 30 of these angles, they total 5040 degrees. This makes it a very wide and open shape.
Quick facts for kids Regular triacontagon |
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A regular triacontagon
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| Type | Regular polygon |
| Edges and vertices | 30 |
| Schläfli symbol | {30}, t{15} |
| Coxeter diagram |      |
| Symmetry group | Dihedral (D30), order 2×30 |
| Internal angle (degrees) | 168° |
| Dual polygon | Self |
| Properties | Convex, cyclic, equilateral, isogonal, isotoxal |
Images for kids
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This image shows the different ways a regular triacontagon can be symmetrical. The colors help you see how its edges and corners line up perfectly.
See also
In Spanish: Triacontágono para niños
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Triacontagon Facts for Kids. Kiddle Encyclopedia.