Connexion
Couleurs et Formes - Polygones
Lisez cette leçon pour apprendre les noms des polygones en anglais, tels que « polygone convexe », « heptagone » et « hendecagon ».
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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
a polygon that does not have all sides or angles equal in size or measure, making it non-regular and lacking symmetry
polygone irrégulier
a geometric shape that has all its interior angles measuring less than 180 degrees, causing the polygon to curve outward
polygone convexe
a geometric shape that has at least one angle measuring greater than 180 degrees, causing the polygon to curve inward
polygone concave
(geometry) a flat figure with four straight sides and four angles
quadrilatère
(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 shape consisting of nine straight sides and nine angles
nonagon
(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
(geometry) a flat figure that consists of twelve sides and twelve angles
dodécagone
(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
