3. Polígon - Polygon
Side or edges
The segments are called sides or edges
The edges where two segments meet are the polygon’s vertices (sing vertex)
or corners
vertex
Cambridge definition: a flat shape with three or more straight sides
5. You can make names using this method:
...end with+1
...henagon+2
...digon+3
...trigon+4
...tetragon+5
...pentagon+6
...hexagon+7
...heptagon+8
...octagon+9
Start with...
20 Icosi...
30 Triaconta...
40 Tetraconta...
50 Pentaconta...
60 Hexaconta...
70 Heptaconta...
80 Octaconta...
90 Enneaconta...
100 Hecta...
etc..
Example: a 63-sided polygon is a Hexacontadigon
BUT, for polygons with 13 or more sides, it is OK (and easier) to write
"13-gon", "14-gon" ... "100-gon", etc.
7. Triangle
A plane figure with three straight sides and three angles
A triangle is a polygon with three edges and three
vertices. It is one of the basic shapes in geometry.
Equilateral Isosceles Scalene
8. Quadrilateral
A quadrilateral is a polygon with four sides (or edges) and four vertices or corners.
Simple quadrilateral Complex quadrilateral
10. Pentagon
A pentagon is any five-sided polygon. A pentagon may be simple or self-
intersecting. The sum of the internal angles in a simple pentagon is 540°.
A pentagram is an example of a self-intersecting pentagon.
A regular pentagon, all sides are equal in length and each interior angle is 108°
11. Polyhedron
A polyhedron (plural polyhedra or polyhedrons) is a solid in three dimensions
with flat faces, straight edges and sharp corners or vertices (singular: vertex).
face
edge
Corner or vertex
En geometría, un polígono es una figura plana compuesta por una secuencia finita desegmentos rectos consecutivos que cierran una región en el plano. Estos segmentos son llamados lados, y los puntos en que se intersecan se llaman vértices. El interior del polígono es llamado área. El polígono es el caso bidimensional del politopo, figura geométrica general definida para cualquier número de dimensiones. A su vez, un politopo de tres dimensiones se denomina poliedro, y de cuatro dimensiones se denomina polícoro.
La palabra polígono deriva del griego antiguo πολύγωνος (polúgonos), a su vez formado por πολύ (polú) ‘muchos’ y γωνία (gōnía) ‘ángulo’,1 2 3 aunque hoy en día los polígonos son usualmente entendidos por el número de sus lados.
In geometry a polygon /ˈpɒlɪɡɒn/ is traditionally a plane figure that is bounded by a finite chain of straight line segments closing in a loop to form a closed chain or circuit. These segments are called its edges or sides, and the points where two edges meet are the polygon's vertices (singular: vertex) or corners. The interior of the polygon is sometimes called its body. An n-gon is a polygon with n sides. A polygon is a 2-dimensional example of the more general polytope in any number of dimensions.
The word "polygon" derives from the Greek πολύς (polús) "much", "many" and γωνία (gōnía) "corner", "angle", or γόνυ (gónu) "knee".[1]
In geometry, a square is a regular quadrilateral, which means that it has four equal sides and four equal angles (90-degree angles, or right angles)
You can make names using this method:
Sides
Start with...20
Icosi...30
Triaconta...40
Tetraconta...50
Pentaconta...60
Hexaconta...70
Heptaconta...80
Octaconta...90
Enneaconta...100 Hecta...etc..
Sides
...end with+1
...henagon+2
...digon+3
...trigon+4
...tetragon+5
...pentagon+6
...hexagon+7
...heptagon+8
...octagon+9
...enneagonExample: a 62-sided polygon is a Hexacontadigon