رنگ‌ها و اشکال - خطوط، زوایا و منحنی ها

an imaginary line in the middle of an object around which the object revolves

محور

(geometry) an arbitrary straight line that passes through the center of a symmetrical object or around which an object spins

محور

a mark or an object formed by two short lines or pieces crossing each other

علامت ضربدر

(geometry) a straight line that joins the opposite corners of a flat shape at an angle

قطر

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

زیگزاگ

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

بالبیس, خط H شکل

a straight line with one endpoint that extends infinitely in the other direction

خط از یک‌طرف ممتد

a portion of a straight line that is defined by two distinct endpoints

*پاره‌خط

(mathematics) any of the pair of geometric figures such as lines or planes which do not meet or intersect

خط موازی

a line or structure that meets another at a right angle, creating a 90-degree intersection

خط عمود

a straight line that touches a curve or surface at exactly one point, known as the point of tangency

خط مماس

a line that intersects a circle at two distinct points

خط قاطع

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

جفت زاویه‌های خطی

an angle that measures between 0 and 90 degrees, which is less than a right angle (90 degrees)

زاویه حاده

an angle that measures more than 90 degrees but less than 180 degrees

*زاویه منفرجه

an angle measuring exactly 90 degrees

زاویه قائمه, زاویه 90 درجه

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

زاویه نیم‌صفحه

an angle that measures either less or more that 90 degrees

زاویه تند یا باز, زاویه حاده یا منفرجه

an angle that measures greater than 180 degrees but less than 360 degrees

زاویه مقعر

a complete revolution or turn around a fixed point or axis, covering a 360-degree angle

*زاویه 360 درجه

an angle measured counterclockwise from the initial side of a reference angle in standard position, usually expressed in degrees or radians

*زاویه مثبت

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

*زاویه منفی

two angles that share a common vertex and a common side, but do not overlap, and are not in a straight line

زوایای مجاور

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

زاویه مستوی

(geometry) a part of a circle, which is curved

قوس, کمان

a curved shape, or something shaped this way

منحنی, منحنی

a shape, line or surface that is hollow and is rounded inward

تابع مقعر

(geometry) a shape formed when a circular cone is intersected by a plane

مقطع مخروطی

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

هلال

something that resembles a spiral or coil

مارپیچ

(geometry) a curved shape or design that gradually winds around a center or axis

مارپیچ

(geometry) a closed plane curve that has two focal points

بیضی

(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

سهمی (هندسه), شلجمی

a geometric curve formed by the intersection of a plane with two cones, resulting in two symmetrical branches

هذلولی

a continuous curve that does not intersect itself, and can be traced without lifting the pen or pencil from the paper

*منحنی ساده

a curve that intersects itself, or has overlapping segments, requiring the pen or pencil to be lifted from the paper while tracing it

*منحنی غیر ساده

a curve that does not intersect itself and has distinct endpoints, meaning it does not form a closed shape or loop

*منحنی باز

a curve that begins and ends at the same point, forming a closed loop

منحنی بسته