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

不規則な多角形

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

凸多角形

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

凹多角形

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

四角形

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

トリデカゴン

a polygon with fifteen sides and fifteen angles

五角形

a polygon with sixteen sides and sixteen angles

十六角形

a polygon with seventeen sides and seventeen angles

七角形

a polygon with eighteen sides and eighteen angles

八角形

a polygon with nineteen sides and nineteen angles

エネアデカゴン

a polygon with twenty sides and twenty angles

二十角形

a five-pointed star

五芒

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

六芒星

a three-sided geometric shape

三国間