Màu Sắc và Hình Dạng - Đa giác
Đọc bài học này để học tên các đa giác trong tiếng Anh, chẳng hạn như "đa giác lồi", "bậc bảy cạnh" và "hendecagon".
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Đố vui
a two-dimensional closed shape with straight sides and equal angles between adjacent sides, and all sides have the same length
đa giác đều
a polygon that does not have all sides or angles equal in size or measure, making it non-regular and lacking symmetry
đa giác không đều
a geometric shape that has all its interior angles measuring less than 180 degrees, causing the polygon to curve outward
đa giác lồi
a geometric shape that has at least one angle measuring greater than 180 degrees, causing the polygon to curve inward
đa giác lõm
(geometry) a flat figure with four straight sides and four angles
hình bốn cạnh
a geometric shape with five angles and five straight sides
hình năm góc
(geometry) a closed shape with six straight sides and six angles
hình sáu góc
a seven-sided plane shape consisting of seven line segments or edges that meet at seven interior angles
hình bảy góc
(geometry) a polygon consisting of eight straight sides and eight angles
hình tám góc
(geometry) a flat shape consisting of nine straight sides and nine angles
hình phi giác
(geometry) a flat polygon with ten straight sides and ten angles
hình mười góc
(geometry) a flat figure consisting of eleven straight sides and eleven angles
hình mười một góc
(geometry) a flat figure that consists of twelve sides and twelve angles
hình mười hai góc
(geometry) a flat star-shaped figure with six points that can be formed by making equilateral triangles on each side of a regular hexagon
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