Triacontagon facts for kids
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 |
A triacontagon or 30-gon is a shape with 30 sides and 30 corners.
Contents
Regular triacontagon
All sides of a regular triacontagon are the same length. Each corner is 168°. All corners added together equal 5040°.
Area
The amount of space a regular triacontagon takes up is
a is the length of one of its sides.
Images for kids
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The symmetries of a regular triacontagon as shown with colors on edges and vertices. Lines of reflections are blue through vertices, and purple through edges. Gyrations are given as numbers in the center. Vertices are colored by their symmetry positions. Subgroup symmetries are connected by colored lines, index 2, 3, and 5.
See also
In Spanish: Triacontágono para niños
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Triacontagon Facts for Kids. Kiddle Encyclopedia.