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IELTS Học Thuật (Band 6-7) - Geometry
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Đố vui
(geometry) a solid or hollow shape with two circular bases at each end and straight parallel sides
xi lanh
(geometry) a round object that every point on its surface has the same distance from its center
cầu
(geometry) a closed shape with six straight sides and six angles
lục giác
(geometry) a three dimensional shape with a circular base that rises to a single point
nón
(mathematics) the ratio of the opposite to the adjacent side of a triangle that has one angle of 90°
tangent
a straight line with one endpoint that extends infinitely in the other direction
tia
a type of triangle that has two sides of equal length and two angles of equal measure
tam giác cân
(geometry) a polygon consisting of eight straight sides and eight angles
tám giác
in geometry, a pattern or shape that exhibits a twisting or spiraling motion, often characterized by continuous, curved lines forming a rotational or helical design
xoáy
a point where two or more lines, edges, or rays meet to form an angle, or the point at which the sides of a polygon intersect
đỉnh
(geometry) a flat shape consisting of three or more straight sides
đa giác
(geometry) a line curved on a conical or cylindrical surface, like a spiral staircase in shape
chuỗi xoắn
(geometry) a flat polygon with ten straight sides and ten angles
mười cạnh
(geometry) a flat shape consisting of nine straight sides and nine angles
chín góc
a seven-sided plane shape consisting of seven line segments or edges that meet at seven interior angles
heptagon
a three-dimensional shape similar to a stretched or compressed sphere
ellipsoid
a three-dimensional geometric shape with six rectangular faces, resembling a box or a rectangular prism
khối chữ nhật
(geometry) a round 3D shape like a ball that is slightly flattened at the top and bottom points
hình cầu
(geometry) a solid figure with flat sides and two parallel ends of the same size and shape
lăng kính
a solid shape made of flat sides that fit together along their edges
đa diện
(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
an angle that measures either less or more that 90 degrees
góc xiên
an angle that measures greater than 180 degrees but less than 360 degrees
góc phản xạ
a straight line from one side of a round object, particularly a circle, passing through the center and joining the other side
đường kính
(geometry) the length of the external boundary of a curved shape, especially a circle
chu vi
the length of a straight line drawn from the center of a circle to any point on its outer boundary
bán kính
