Which is a regular polyhedron?
Which is a regular polyhedron?
A regular polygon is a (convex) planar figure with all edges equal and all corners equal. A regular polyhedron is a solid (convex) figure with all faces being congruent regular polygons, the same number arranged all alike around each vertex.
Who is the regular polygon?
A polygon with all sides equal is equilateral. One with all interior angles equal is equiangular. Any polygon that is both equilateral and equiangular is a regular polygon (e.g., an equilateral triangle or a square).
What is a regular sided polygon?
A regular polygon is an. -sided polygon in which the sides are all the same length and are symmetrically placed about a common center (i.e., the polygon is both equiangular and equilateral). Only certain regular polygons are “constructible” using the classical Greek tools of the compass and straightedge.
What is irregular polyhedron?
An irregular polyhedron is formed by polygons of different shapes where all the components are not the same. This means that all the sides of an irregular polyhedron are not equal.
What is regular and irregular polygons?
Polygons are figures with more than four straight sides. If the sides are all the same length the figures are said to be regular polygons, if they are not all the same length the figures are irregular polygons. A polygon with. 5 sides is a pentagon.
How many sides are in a regular polygon?
Names of Regular Polygons
| Regular Polygon | Number of Sides | Exterior Angles |
|---|---|---|
| Equilateral triangle | 3 sides | 3 exterior angles of 120° |
| Square | 4 sides | 4 exterior angles of 90° |
| Regular pentagon | 5 sides | 5 exterior angles of 72° |
| Regular hexagon | 6 sides | 6 exterior angles of 60° |
How many sides a regular polygon has?
24 sides
Thus, the regular polygon has 24 sides.
What are some examples of regular polyhedra?
There are 5 regular polyhedrons, they are: Tetrahedron (or pyramid), Cube, Octahedron, Dodecahedron, and Icosahedron.