色と形 - ポリゴン

a two-dimensional closed shape with straight sides and equal angles between adjacent sides, and all sides have the same length

正多角形

a polygon that does not have all sides or angles equal in size or measure, making it non-regular and lacking symmetry

不正多角形, 不規則多角形

a geometric shape that has all its interior angles measuring less than 180 degrees, causing the polygon to curve outward

凸多角形, 外向きの多角形

a geometric shape that has at least one angle measuring greater than 180 degrees, causing the polygon to curve inward

凹多角形, 凹型ポリゴン

(geometry) a flat figure with four straight sides and four angles

四角形, 四辺形

a geometric shape with five angles and five straight sides

五角形

(geometry) a closed shape with six straight sides and six angles

六角形

a seven-sided plane shape consisting of seven line segments or edges that meet at seven interior angles

七角形

(geometry) a polygon consisting of eight straight sides and eight angles

八角形

(geometry) a flat shape consisting of nine straight sides and nine angles

九角形

(geometry) a flat polygon with ten straight sides and ten angles

十角形

(geometry) a flat figure consisting of eleven straight sides and eleven angles

ヘンデカゴン

(geometry) a flat figure that consists of twelve sides and twelve angles

十二角形

a polygon with fourteen sides and fourteen angles

14角形

a polygon with thirteen sides and thirteen angles

13角形

a polygon with fifteen sides and fifteen angles

15角形

a polygon with sixteen sides and sixteen angles

16角形

a polygon with seventeen sides and seventeen angles

17角形

a polygon with eighteen sides and eighteen angles

十八角形

a polygon with nineteen sides and nineteen angles

エンネアデカゴン, 19角形

a polygon with twenty sides and twenty angles

アイコサゴン

a five-pointed star

ペンタグラム, 五芒星

(geometry) a flat star-shaped figure with six points that can be formed by making equilateral triangles on each side of a regular hexagon

ヘキサグラム, 六角星

a three-sided geometric shape

三角形, 三辺形