Màu Sắc và Hình Dạng - Đường thẳng, góc và đường cong
Đọc bài học này để tìm hiểu tên của một số đường thẳng, góc và đường cong trong tiếng Anh, chẳng hạn như "tia", "góc nhọn" và "cung".
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Đố vui
an imaginary line in the middle of an object around which the object revolves
trục, đường tưởng tượng
(geometry) an arbitrary straight line that passes through the center of a symmetrical object or around which an object spins
trục
a mark or an object formed by two short lines or pieces crossing each other
dấu thập
(geometry) a straight line that joins the opposite corners of a flat shape at an angle
đường chéo
(geometry) a shape that consists of a line alternating its direction to left and right
zigzag, zigzag (trong hình học)
a straight line that is terminated by a secondary line at each end, resembling the letter H
balbis, đường thẳng hình H
a straight line with one endpoint that extends infinitely in the other direction
tia, tia sáng
a portion of a straight line that is defined by two distinct endpoints
đoạn thẳng, đoạn line
(mathematics) any of the pair of geometric figures such as lines or planes which do not meet or intersect
song song
a line or structure that meets another at a right angle, creating a 90-degree intersection
vuông góc, đường vuông góc
a straight line that touches a curve or surface at exactly one point, known as the point of tangency
tiếp tuyến
a pair of adjacent angles formed by two intersecting lines, which add up to 180 degrees
cặp tuyến tính
an angle that measures between 0 and 90 degrees, which is less than a right angle (90 degrees)
góc nhọn, góc sắc
an angle that measures more than 90 degrees but less than 180 degrees
góc tù
an angle that measures exactly 180 degrees, which is the same as a straight line
góc thẳng, góc phẳng
an angle that measures either less or more that 90 degrees
góc xiên, góc không vuông
an angle that measures greater than 180 degrees but less than 360 degrees
góc phản xạ, góc lớn hơn 180 độ
a complete revolution or turn around a fixed point or axis, covering a 360-degree angle
vòng quay đầy đủ, cuộc cách mạng hoàn hảo
an angle measured counterclockwise from the initial side of a reference angle in standard position, usually expressed in degrees or radians
góc dương, góc đo theo chiều ngược kim đồng hồ
an angle measured clockwise from the initial side of a reference angle in standard position, usually expressed in degrees or radians
góc âm, góc đo theo chiều kim đồng hồ
two angles that share a common vertex and a common side, but do not overlap, and are not in a straight line
góc kề nhau, góc liền nhau
the measure of the tilt between two lines or surfaces in two-dimensional space, typically given in degrees or radians
góc phẳng, góc trong mặt phẳng
a shape, line or surface that is hollow and is rounded inward
tính lõm, hình lõm
(geometry) a shape formed when a circular cone is intersected by a plane
hình côn
a curved shape with narrow points at the ends that appears wider in the middle, like the shape of the moon in its first and last quarters
hình lưỡi liềm, trăng lưỡi liềm
(geometry) a curved shape or design that gradually winds around a center or axis
xoắn, cuộn
(geometry) a symmetrical open curve that is similar to the path of an object thrown into the air passes till it falls back to earth
parabol
a geometric curve formed by the intersection of a plane with two cones, resulting in two symmetrical branches
hyperbol
a continuous curve that does not intersect itself, and can be traced without lifting the pen or pencil from the paper
đường cong đơn giản
a curve that intersects itself, or has overlapping segments, requiring the pen or pencil to be lifted from the paper while tracing it
đường cong không đơn giản, đường cong tự cắt
a curve that does not intersect itself and has distinct endpoints, meaning it does not form a closed shape or loop
đường cong mở, đường cong không khép lại
a curve that begins and ends at the same point, forming a closed loop
đường cong khép kín, đường cong đóng