颜色和形状 - 多边形

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

正多边形

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

不规则多边形, 不均匀形状

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

凸多边形, 外凸多边形

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

凹多边形, 凹形多边形

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

四边形, 四角形

a geometric shape with five angles and five straight sides

五边形

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

六边形

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

七边形

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

八边形

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

九边形

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

十边形

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

十一边形

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

十二边形

a polygon with fourteen sides and fourteen angles

十四边形

a polygon with thirteen sides and thirteen angles

十三边形

a polygon with fifteen sides and fifteen angles

十五边形

a polygon with sixteen sides and sixteen angles

十六边形

a polygon with seventeen sides and seventeen angles

十七边形

a polygon with eighteen sides and eighteen angles

十八边形

a polygon with nineteen sides and nineteen angles

十九边形, 十九角形

a polygon with twenty sides and twenty angles

二十边形

a five-pointed star

五角星, 五角形

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

六角星, 六角形星

a three-sided geometric shape

三角形, 三边形