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Polygons are geometric figures of the 2D plane made up of a series of closed segments. The number of segments (called sides or edges) is equal to the number of vertices (or corners) used to define the geometric shape of the polygon.
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Individual polygons are named (and sometimes classified) according to the number of sides, combining a Greek-derived numerical prefix with the suffix -gon, e.g. pentagon, dodecagon. The triangle , quadrilateral and nonagon are exceptions, although the regular forms trigon , tetragon , and enneagon are sometimes encountered as well.
In this polygon calculator, we solve the properties of regular polygons - the special polygon types which are: Equiangular — all angles are equal in measure. Equilateral — all sides have the same length. Every regular polygon with n sides is formed by n isosceles triangles.
Names of polyhedra by number of sides. There are generic geometric names for the most common polyhedra. The 5 Platonic solids are called a tetrahedron, hexahedron, octahedron, dodecahedron and icosahedron with 4, 6, 8, 12, and 20 sides respectively. The regular hexahedron is a cube.
6 Φεβ 2024 · Use this calculator to calculate properties of a regular polygon. Enter any 1 variable plus the number of sides or the polygon name. Calculates side length, inradius (apothem), circumradius, area and perimeter. Calculate from an regular 3-gon up to a regular 1000-gon.
Types of 2D Polygon Shape Names with Sides and Pictures. Polygons are 2D shapes that have a certain number of sides. Their sides are simply joined by straight lines. Another thing to note is that polygons do not have holes, nor do they intersect with themselves.
