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
hình 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
hình 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
tứ giác
(geometry) a closed shape with six straight sides and six angles
lục giác
a seven-sided plane shape consisting of seven line segments or edges that meet at seven interior angles
heptagon
(geometry) a polygon consisting of eight straight sides and eight angles
tám giác
(geometry) a flat shape consisting of nine straight sides and nine angles
chín góc
(geometry) a flat polygon with ten straight sides and ten angles
mười cạnh
(geometry) a flat figure consisting of eleven straight sides and eleven angles
hendecagon
(geometry) a flat figure that consists of twelve sides and twelve angles
mười hai cạnh
a polygon with sixteen sides and sixteen angles
lục giác mười sáu cạnh
(geometry) a flat star-shaped figure with six points that can be formed by making equilateral triangles on each side of a regular hexagon
hình lục giác