Màu Sắc và Hình Dạng - Đường thẳng, Góc và Đường cong
Đọc bài học này để học tên của một số đường, 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, đường trung tâm
a mark or an object formed by two short lines or pieces crossing each other

dấu thập, chữ thập
a straight line connecting opposite corners of a flat shape at an angle

đường chéo, đường chéo góc
(geometry) a shape that consists of a line alternating its direction to left and right

đường zigzag, đường gấp khúc
a straight line that is terminated by a secondary line at each end, resembling the letter H

balbis, đường thẳng kết thúc bằng một đường phụ ở mỗi đầu
a straight line with one endpoint that extends infinitely in the other direction

tia, nửa đường thẳng
a portion of a straight line that is defined by two distinct endpoints

đoạn thẳng, phân đoạn
a pair of geometric figures, such as lines or planes, that do not meet or intersect, no matter how far they are extended

song song, đường 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, đường tiếp tuyến
a line that crosses a curve at least at two distinct points

cát tuyến, đường cắt
a pair of adjacent angles formed by two intersecting lines, which add up to 180 degrees

cặp tuyến tính, cặp góc kề bù
an angle that measures between 0 and 90 degrees, which is less than a right angle (90 degrees)

góc nhọn, góc nhỏ hơn 90 độ
an angle that measures more than 90 degrees but less than 180 degrees

góc tù, góc lõm
an angle measuring exactly 90 degrees

góc vuông, góc 90 độ
an angle that measures exactly 180 degrees, which is the same as a straight line

góc bẹt, góc 180 độ
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 tù
a complete revolution or turn around a fixed point or axis, covering a 360-degree angle

vòng quay hoàn toàn, sự quay đầy đủ
an angle measured counterclockwise from the initial side of a reference angle in standard position, usually expressed in degrees or radians

góc dương, góc theo chiều dương
an angle measured clockwise from the initial side of a reference angle in standard position, usually expressed in degrees or radians

góc âm, góc 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, góc liền kề
the measure of the tilt between two lines or surfaces in two-dimensional space, typically given in degrees or radians

góc phẳng, góc nhị diện
(geometry) a part of a circle, which is curved

cung, phần của hình tròn
(geometry) a shape formed when a circular cone is intersected by a plane

mặt cắt hình nón, đường cônic
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

trăng lưỡi liềm, hình lưỡi liềm
something that resembles a spiral or coil

lọn tóc, xoắn ốc
(geometry) a curved shape or design that gradually winds around a center or axis

xoắn ốc, hình xoắn
(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, đường parabol
a geometric curve formed by the intersection of a plane with two cones, resulting in two symmetrical branches

hyperbol, đường 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, đường cong không tự cắt
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, cung mở
a curve that begins and ends at the same point, forming a closed loop

đường cong kín, vòng kín
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