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In geometry , an **angle** is the figure formed by two rays sharing a common endpoint , called the vertex of the **angle** . [ 1 ] The magnitude of the **angle** is the "amount of rotation" that separates the two rays, and can be measured by considering the length of circular arc swept out when one

**wikipedia.org** | 2011/10/1 19:00:32

In photography , **angle** of view describes the angular extent of a given scene that is imaged by a camera . It is used interchangeably with the more general term field of view . It is important to distinguish the **angle** of view from the **angle** of coverage , which describes the **angle** of projection

The contact **angle** is the **angle** at which a liquid / vapor interface meets a solid surface . The contact **angle** is specific for any given system and is determined by the interactions across the three interfaces. Most often the concept is illustrated with a small liquid droplet resting on

The Northwest **Angle** , known simply as the **Angle** by locals, and coextensive with **Angle** Township , is a part of northern Lake of the Woods County, Minnesota , and is the only place in the United States outside Alaska that is north of the 49th parallel . That parallel is the northern boundary

A special Dutch **Angle** is the Bavarian **Angle** , where the camera position is changed about 90° from the common **angle** . Horizontal lines become vertical. A Dutch **angle** differs from a high **angle** shot and low **angle** shot (although Dutch **angle** shots are often combined with those for artistic

A degree (in full, a degree of arc , arc degree , or arcdegree ), usually denoted by ° (the degree symbol ), is a measurement of plane **angle** , representing 1 ⁄ 360 of a full rotation ; one degree is equivalent to π/180 radians . It is not an SI unit , as the SI unit for angles is radian

**wikipedia.org** | 2011/8/20 17:13:30

In astronomy and celestial navigation, the hour **angle** is one of the coordinates used in the equatorial coordinate system to give the position of a point on the celestial sphere . The hour **angle** of a point is the **angle** between the plane containing the Earth's axis and the zenith (the

**wikipedia.org** | 2011/8/3 15:05:48

With such tools, the task of **angle** trisection is generally impossible , as shown by Pierre Wantzel (1837). Wantzel's proof relies on ideas from the field of Galois theory —in particular, trisection of an **angle** corresponds to the solution of a certain cubic equation , which is not possible

the separation of the weak scattered intensity from the strong main beam. The smaller the desired **angle** , the more difficult this becomes. The problem is comparable to one encountered when trying to observe a weakly radiant object close to the sun, like the sun's corona. Only if the moon blocks

**wikipedia.org** | 2011/9/2 14:41:54

Just as there are three types of profile angles, there are also three types of corresponding pressure angles: the transverse pressure **angle** , the normal pressure **angle** , and the axial pressure **angle** . [ 3 ] [ edit ] See also List of gear nomenclature [ edit ] References ^ http