Colors and Shapes - Polygons
Read this lesson to learn the names of polygons in English, such as "convex polygon", "heptagon" and "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
a polygon that does not have all sides or angles equal in size or measure, making it non-regular and lacking symmetry
a geometric shape that has all its interior angles measuring less than 180 degrees, causing the polygon to curve outward
a geometric shape that has at least one angle measuring greater than 180 degrees, causing the polygon to curve inward
a geometric shape with five angles and five straight sides
(geometry) a closed shape with six straight sides and six angles
a seven-sided plane shape consisting of seven line segments or edges that meet at seven interior angles
(geometry) a polygon consisting of eight straight sides and eight angles
(geometry) a flat polygon with ten straight sides and ten angles
(geometry) a flat star-shaped figure with six points that can be formed by making equilateral triangles on each side of a regular hexagon
a three-sided geometric shape
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