pattern

رنگ‌ها و اشکال - خطوط، زوایا و منحنی ها

این درس را بخوانید تا نام برخی خطوط، زوایا و منحنی‌ها را به انگلیسی یاد بگیرید، مانند "پرتو"، "زاویه تند" و "قوس".

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شروع یادگیری
Words Related to Colors and Shapes
axis
axis
[اسم]

the central point or line around which an object turns

محور

محور

Ex: The Earth spins on its axis once every twenty-four hours. 
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axis
axis
[اسم]

a straight line that defines the symmetry or structure of a figure or object

محور

محور

Ex: The artist drew an axis to guide the proportions of the face. 
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cross
cross
[اسم]

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

علامت ضربدر

علامت ضربدر

Ex: The teacher marked the incorrect answers with a red cross. 
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diagonal
diagonal
[اسم]

a straight line connecting opposite corners of a flat shape at an angle

قطر

قطر

Ex: The rectangle's diagonal was longer than its sides. 
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zigzag
zigzag
[اسم]

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

زیگزاگ

زیگزاگ

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balbis
balbis
[اسم]

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

بالبیس, یک خط مستقیم که در هر انتها با یک خط ثانویه به پایان می‌رسد، شبیه به حرف H

بالبیس, یک خط مستقیم که در هر انتها با یک خط ثانویه به پایان می‌رسد، شبیه به حرف H

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ray
ray
[اسم]

a straight line that starts at a point and extends infinitely in one direction

خط از یک‌طرف ممتد

خط از یک‌طرف ممتد

Ex: The geometry teacher drew a ray from point A through point B. 
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line segment
line segment
[اسم]

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

*پاره‌خط

*پاره‌خط

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parallel
parallel
[اسم]

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

خط موازی

خط موازی

Ex: The two parallels in the diagram never intersect. 
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perpendicular

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

خط عمود

خط عمود

Ex: The wall was built with a perpendicular to support the roof. 
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tangent
tangent
[اسم]

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

خط مماس

خط مماس

Ex: In geometry class, we learned how to draw a tangent to a circle, ensuring it only touched the circle at a single point. 
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secant
secant
[اسم]

a line that crosses a curve at least at two distinct points

خط قاطع

خط قاطع

Ex: By drawing a secant, the mathematician was able to study the curve’s behavior at multiple points. 
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linear pair
linear pair
[اسم]

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

جفت زاویه‌های خطی

جفت زاویه‌های خطی

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acute angle
acute angle
[اسم]

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

زاویه حاده

زاویه حاده

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obtuse angle
obtuse angle
[اسم]

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

*زاویه منفرجه

*زاویه منفرجه

Ex: In a triangle, an obtuse angle is one that is greater than 90 degrees but less than 180 degrees. 
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right angle
right angle
[اسم]

an angle measuring exactly 90 degrees

زاویه قائمه, زاویه 90 درجه

زاویه قائمه, زاویه 90 درجه

Ex: To construct a square, each corner must form a perfect right angle. 
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straight angle

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

زاویه نیم‌صفحه

زاویه نیم‌صفحه

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oblique angle

an angle that measures either less or more that 90 degrees

زاویه تند یا باز, زاویه حاده یا منفرجه

زاویه تند یا باز, زاویه حاده یا منفرجه

Ex: In a parallelogram, opposite angles are oblique angles since they are not right angles. 
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reflex angle
reflex angle
[اسم]

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

زاویه مقعر

زاویه مقعر

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full rotation

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

*زاویه 360 درجه

*زاویه 360 درجه

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positive angle

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

*زاویه مثبت

*زاویه مثبت

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negative angle

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

*زاویه منفی

*زاویه منفی

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adjacent angles

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

زوایای مجاور

زوایای مجاور

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plane angle
plane angle
[اسم]

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

زاویه مستوی

زاویه مستوی

Ex: The clock's hands form a plane angle at noon. 
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arc
arc
[اسم]

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

قوس, کمان

قوس, کمان

Ex: In a circle, a minor arc is shorter than a major arc. 
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arc
arc
[اسم]

a curved shape

منحنی, منحنی

منحنی, منحنی

Ex: The rainbow formed a bright arc in the sky. 
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concavity
concavity
[اسم]

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

تابع مقعر

تابع مقعر

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conic section

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

مقطع مخروطی

مقطع مخروطی

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crescent
crescent
[اسم]

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

هلال

Ex: The moon hung low in the sky, its slender crescent casting a gentle light. 
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curl
curl
[اسم]

something that resembles a spiral or coil

مارپیچ

مارپیچ

Ex: She had a perfect curl in her hair, framing her face beautifully. 
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spiral
spiral
[اسم]

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

مارپیچ

مارپیچ

Ex: The staircase in the old mansion featured an elegant spiral that ascended to the upper floors. 
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ellipse
ellipse
[اسم]

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

بیضی

بیضی

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parabola
parabola
[اسم]

(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

سهمی (هندسه), شلجمی

Ex: The path of a thrown ball forms a parabola. 
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hyperbola
hyperbola
[اسم]

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

هذلولی

هذلولی

Ex: The hyperbola is a conic section formed by intersecting a plane with two cones on opposite sides of the plane. 
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simple curve
simple curve
[اسم]

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

*منحنی ساده

*منحنی ساده

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non-simple curve

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

*منحنی غیر ساده

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open curve
open curve
[اسم]

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

*منحنی باز

*منحنی باز

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closed curve
closed curve
[اسم]

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

منحنی بسته

منحنی بسته

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رنگ‌ها و اشکال
خطوط، زوایا و منحنی هاکلمات مرتبط با اشکال
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