Connexion
Couleurs et Formes - Polygones
Lisez cette leçon pour apprendre les noms des polygones en anglais, tels que "polygone convexe", "heptagone" et "hendécagone".
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a two-dimensional closed shape with straight sides and equal angles between adjacent sides, and all sides have the same length
polygone régulier, figure géométrique régulière
a polygon that does not have all sides or angles equal in size or measure, making it non-regular and lacking symmetry
polygone irrégulier, figure polygonale irrégulière
a geometric shape that has all its interior angles measuring less than 180 degrees, causing the polygon to curve outward
polygone convexe, figure géométrique convexe
a geometric shape that has at least one angle measuring greater than 180 degrees, causing the polygon to curve inward
polygone concave, figure géométrique concave
a geometric shape with five angles and five straight sides
pentagone
(geometry) a closed shape with six straight sides and six angles
hexagone
a seven-sided plane shape consisting of seven line segments or edges that meet at seven interior angles
heptagone
(geometry) a polygon consisting of eight straight sides and eight angles
octogone
(geometry) a flat polygon with ten straight sides and ten angles
décagone
(geometry) a flat figure consisting of eleven straight sides and eleven angles
hendécagone
a polygon with fourteen sides and fourteen angles
tétradécagone, polygone à quatorze côtés
a polygon with thirteen sides and thirteen angles
tridécagone, polygone à treize côtés
a polygon with fifteen sides and fifteen angles
pentadécagone, polygone à quinze côtés
a polygon with seventeen sides and seventeen angles
heptadécagone, polygone à dix-sept côtés
a polygon with eighteen sides and eighteen angles
octadécagone, polygone à dix-huit côtés
a polygon with nineteen sides and nineteen angles
ennéadécagone, polygone à dix-neuf côtés
a polygon with twenty sides and twenty angles
icosagone, polygone à vingt côtés et vingt angles
a five-pointed star
pentagramme
(geometry) a flat star-shaped figure with six points that can be formed by making equilateral triangles on each side of a regular hexagon
hexagramme
a three-sided geometric shape
trilatère, figure à trois côtés
