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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
正多边形, 正几何图形
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, 非正多边形
a geometric shape that has all its interior angles measuring less than 180 degrees, causing the polygon to curve outward
凸多边形, 凸几何形状
a geometric shape that has at least one angle measuring greater than 180 degrees, causing the polygon to curve inward
凹多边形, 凹几何形状
(geometry) a flat figure with four straight sides and four angles
四边形, 有四条直边和四个角的平面图形
a geometric shape with five angles and five straight sides
五边形, 五角形
(geometry) a closed shape with six straight sides and six angles
六边形, 六角形
a seven-sided plane shape consisting of seven line segments or edges that meet at seven interior angles
七边形, 七角形
(geometry) a polygon consisting of eight straight sides and eight angles
八边形, 八边形
(geometry) a flat polygon with ten straight sides and ten angles
十边形, 十角形
(geometry) a flat figure consisting of eleven straight sides and eleven angles
十一边形, 十角形
a five-pointed star
五角星, 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
六角星形, 六芒星
a three-sided geometric shape
三边形, 三边图形
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