degree (angle) wikipedia - EAS
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Xem tất cả trên Wikipediahttps://en.wikipedia.org/wiki/Degree_(angle)A degree (in full, a degree of arc, arc degree, or arcdegree), usually denoted by ° (the degree symbol), is a measurement of a plane angle in which one full rotation is 360 degrees. It is not an SI unit—the SI unit of angular measure is the radian—but it is mentioned in the SI brochure as an accepted unit.
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Xem thêmThe original motivation for choosing the degree as a unit of rotations and angles is unknown. One theory states that it is related to the fact that 360 is approximately the number of days in a year. Ancient
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Xem thêmIn most mathematical work beyond practical geometry, angles are typically measured in radians rather than degrees. This is for a variety of reasons; for example, the
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Xem thêm• "Degrees as an angle measure"., with interactive animation
• Gray, Meghan; Merrifield, Michael; Moriarty, Philip (2009). "° Degree of Angle". Sixty Symbols. Brady Haran for...
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For many practical purposes, a degree is a small enough angle that whole degrees provide sufficient precision. When this is not the case, as in
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Xem thêmVăn bản Wikipedia theo giấy phép CC-BY-SAMục này có hữu ích không?Cảm ơn! Cung cấp thêm phản hồi- https://simple.wikipedia.org/wiki/Degree_(angle)
In mathematics, a degree is a common way to measure plane angle. It is written with the symbol. ∘ {\displaystyle ^ {\circ }} , where. 360 ∘ {\displaystyle 360^ {\circ }} corresponds to the entire circle. It is not an SI unit. The SI uses radian to measure plane angle.
- Unit of: Angle
- 1 ° in ...: ... is equal to ...
- Unit system: Non-SI accepted unit
- Symbol: ° or deg
- https://en.wikipedia.org/wiki/Angle
The size of a geometric angle is usually characterized by the magnitude of the smallest rotation that maps one of the rays into the other. Angles that have the same size are said to be equal or congruent or equal in measure.
In some contexts, such as identifying a point on a circle or describing the orientation of an object in two dimensions relative to a reference orientation, a…Wikipedia · Nội dung trong CC-BY-SA giấy phép Degré (angle) — Wikipédia
https://fr.wikipedia.org/wiki/Degré_(angle)- Le degré, divisé en minutes et secondes qui sont des soixantièmes, vient des Babyloniens, qui comptaient en base 60 (sexagésimale) à l'instar des Chinois[3]qui, il y a plus de 4 700 ans selon le calendrier chinois, utilisaient déjà 60 en fonction de leur astronomie et astrologie. Pour les Chinois, 60 correspond à un cycle temporel fondamental. Les ...
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Degree (angle) - Wikipedia
https://so.wikipedia.org/wiki/Degree_(angle)Degree (ingiriis: Degree) waa halbeeg leh astaanta oo lagu cabiro qiyaaso ka mid ah xisaabta, juquraafiga, heerkulka iyo sayniska.. Marka xisaabta lagu isticmaalayo degreegu (°) waa qiyaasta xagal toosan (plane angle) oo wuxuu u dhigmaa 1/360 goobo dhamaystiran. Tusaale ahaan xagasha 90° waa rubuc goobo dhamaystiran.. Maadaama wareega goobo dhamaystiran la mid …
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- https://en.wikipedia.org/wiki/Degree
Degree (angle), a unit of angle measurement. Degree of geographical latitude. Degree of geographical longitude. Degree symbol (°), a notation used in science, engineering, and mathematics. Degree (temperature), any of various units of temperature measurement.
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https://bn.wikipedia.org/wiki/Degree_(angle)ডিগ্রি হচ্ছে দ্বিমাত্রিক কোণ পরিমাপের একটি একক। আরেকটি একক ...
- https://en.wikipedia.org/wiki/Square_degree
A square degree (deg 2) is a non-SI unit measure of solid angle.Other denotations include sq. deg. and (°) 2.Just as degrees are used to measure parts of a circle, square degrees are used to measure parts of a sphere.Analogous to one degree being equal to π / 180 radians, a square degree is equal to (π / 180) 2 steradians (sr), or about 1 / 3283 sr or about 3.046 × 10 −4 sr.
- https://en.wikipedia.org/wiki/Right_angle
In geometry and trigonometry, a right angle is an angle of exactly 90 degrees or π/2 radians corresponding to a quarter turn. If a ray is placed so that its endpoint is on a line and the adjacent angles are equal, then they are right angles. The term is a calque of Latin angulus rectus; here rectus means "upright", referring to the vertical perpendicular to a horizontal base line. Closely …
- https://en.wikipedia.org/wiki/Angle_of_view
Wide-angle lenses (24–35 mm in 35 mm film format) cover between 84° and 64°. Normal, or Standard lenses (36–60 mm in 35 mm film format) cover between 62° and 40°. Long focus lenses (any lens with a focal length greater than the diagonal of the film or sensor used) generally have an angle of view of 35° or less.
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