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# Topic: Angle (disambiguation)

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 Angle Encyclopedia   (Site not responding. Last check: 2007-10-16) Angles provide a means of expressing the difference in slope between two rays meeting at a vertex without the need to explicitly define the slopes of the two rays. Since the circumference of a circle is proportional to its radius, and an OC diagram in an angle is a fixed fraction of the circumference, the measure of the OC diagram is independent of the size of the circle. The angle between a line and a curve (mixed angle) or between two intersecting curves (curvilinear angle) is defined to be the angle between the tangents at the point of intersection. www.hallencyclopedia.com /topic/Angle.html   (2188 words)

 Power Angle Angles provide a means ofexpressing the difference in slope between two rays meeting at a vertex without the needto explicitly define the slopes of the two rays. The first concept was used by Eudemus, who regarded an angle as a deviation from astraight line; the second by Carpus of Antioch, who regarded it as the interval or space between the intersecting lines; Euclidadopted the third concept, although his definitions of right, acute, and obtuse angles are certainly quantitative. Since thecircumference of a circle is always directly proportional to the length of its radius, the measure of the angle is independent ofthe size of the circle. www.altvetmed.com /face/16491-power-angle.html   (559 words)

 Angle - Hutchinson encyclopedia article about Angle   (Site not responding. Last check: 2007-10-16) The exterior angle of a triangle is equal to the sum of the opposite interior angles. The angle at the centre is equal to the exterior angle and it is found by dividing 360° by the number of sides in the polygon. Angles created by a line crossing two parallel lines are known as opposite angles, corresponding angles, or alternate angles. encyclopedia.farlex.com /Angle   (511 words)

 Angle Acceptance angle In optical fibers the acceptance angle is the half-angle of the numerical aperture of the fiber. Angle of refraction Angle of refraction is the angle between the beam refracted at the boundary between two media of dif... Castor angle Castor angle is the angular measure from the vertical of the vehicle, measured in the longitudinal directio... www.brainyencyclopedia.com /topics/angle.html   (595 words)

 Angle article - Angle rays endpoint vertex gradient geometry trigonometry Measuring - What-Means.com   (Site not responding. Last check: 2007-10-16) Angles provide a means of expressing the difference in gradient between two rays meeting at a vertex without the need to explicitly define the gradients of the two rays. The degree measure of the angle is the length of the arc, divided by the circumference of the circle, and multiplied by 360. This angle is equal to π /2 radians minus the angle between the intersecting line and the line that goes through the point of intersection and is perpendicular to the plane. www.what-means.com /encyclopedia/Angle   (827 words)

 Angle - Wikipedia, the free encyclopedia Angles provide a means of expressing the difference in slope between two rays meeting at a vertex without the need to explicitly define the slopes of the two rays. The first concept was used by Eudemus, who regarded an angle as a deviation from a straight line; the second by Carpus of Antioch, who regarded it as the interval or space between the intersecting lines; Euclid adopted the third concept, although his definitions of right, acute, and obtuse angles are certainly quantitative. The angle between a line and a curve (mixed angle) or between two intersecting curves (curvilinear angle) is defined to be the angle between the tangents at the point of intersection. en.wikipedia.org /wiki/Right_angle   (1153 words)

 math lessons - Angle Angles provide a means of expressing the difference in slope between two rays meeting at a vertex without the need to explicitly define the slopes of the two rays. The degree measure of the angle is the length of the arc, divided by the circumference of the circle, and multiplied by 360. The angle between a line and a curve (mixed angle) or between two intersecting curves (curvilinear angle) is defined to be the angle between the tangents at the point of intersection. www.mathdaily.com /lessons/Angle   (1148 words)

 Angle [Definition]   (Site not responding. Last check: 2007-10-16) Angles provide a means of expressing the difference in slope In mathematics, the slope (or gradient, especially where three or more dimensions are discussed) of a straight line (within a Cartesian coordinate system) is a measure for the "steepness" of said line. It is defined as the angle subtended at the center of a circle by an arc of circumference equal in length to the radius of the circle. Central angle A central angle is an angle whose vertex is the center of a circle, and whose sides pass through a pair of points on the circle, thereby subtending an arc between those two points whose angle is (by definition) equal to the central angle itself. www.wikimirror.com /Angle   (4204 words)

 Triangle (geometry) [Definition]   (Site not responding. Last check: 2007-10-16) Angles provide a means of expressing the difference in slope between two rays meeting at a vertex without the nee... The measure of each internal angle of a regular triskaidecagon is approximately 152.308 degrees, and the area with side length a is given by A regular triskaidecagon is not constructible with straightedge and compass. The interior angle of a regular icosagon is 162°, and the area with a side length of a is given by... www.wikimirror.com /Triangle_(geometry)   (5719 words)

 Angle (disambiguation) - Wikipedia, the free encyclopedia Angles for the Germanic tribe that moved to Britain. Angle for a clump of trees in the American Civil War This is a disambiguation page â” a navigational aid which lists pages that might otherwise share the same title. en.wikipedia.org /wiki/Angle_(disambiguation)   (109 words)

 Angle If a straight line intersects two parallel lines, corresponding angles at the two points of intersection are equal. This angle is equal to π /2 minus the angle between the intersecting line and the line that goes through the point of intersection and is perpendicular to the plane. The obsolete format of angle used to indicate longitude or latitude is hemisphere degree minute' second", where there are 60 minutes in a degree and 60 seconds in a minute, for instance N 51 23′26″ or '''E 090 58′57″ www.brainyencyclopedia.com /encyclopedia/a/an/angle.html   (825 words)

 Triangle encyclopedia and info, forum and guides   (Site not responding. Last check: 2007-10-16) A central theorem is the Pythagorean theorem stating that in any right triangle, the area of the square on the hypotenuse is equal to the sum of the areas of the squares on the other two sides. An angle bisector of a triangle is a straight line through a vertex which cuts the corresponding angle in half. The three angle bisectors intersect in a single point, the center of the triangle's incircle. montserrat.caribbean-forum.com /encyclopedia.php?title=Triangle   (2138 words)

 Articles - Degree (angle)   (Site not responding. Last check: 2007-10-16) Its application to measuring angles in geometry could possibly be traced to Thales who popularized geometry among the Greeks and lived in western Turkey among people who had dealings with Egypt and Babylon. In mathematics, angles in degrees are rarely used, as the convenient divisibility of the number 360 is not so important. For various reasons mathematicians typically prefer to use the radian, an angle corresponding to an arc of a circle whose length equals the circle's radius. www.mainearth.com /articles/Degree_(angle)   (470 words)

 Angle Summary To specify its this value, an angle is drawn in a standard position on a coordinate system, with its vertex at the center and one side, called the initial side, along the x axis. An angle may be measured with a protractor, which is a flat instrument in the shape of a semi-circle. One radian is defined as the angle created by a counterclockwise rotation of the radius around the circle such that the length of the arc traveled is equal to the length of the radius. www.bookrags.com /Angle   (2767 words)

 book club discoun buy online at ate-bit.com to bring one into correspondence with the other is called the angle between them. A more natural measure of an angle is the radian. Angle: member of a Germanic people, which, together with the Jutes, Saxons, and... www.ate-bit.com /buy/bit/circle/zero/angle.htm?t=dmxargs=03u3hs9yoakW1uzTCDhBCFX6xLUPakwFFAQ-RJ-KlVNofnIZDKY01ghazLeKka-0iSWonXH5njx28jp3MyDSQTt4pdMBM8fwaUFHF5pVGROmKZ0C00gepAdSh6av91mjA5sXrZsSzzliz0ca_sNML9TfCQXv05NM5HnwzzzQKNDdhGzqsJHncWioaFqB9OF   (76 words)

 Wing. Who is Wing? What is Wing? Where is Wing? Definition of Wing. Meaning of Wing. A wing is a surface used to produce an aerodynamic force normal to the direction of motion by travelling in air or another gaseous media. The amount of lift produced by a wing increases with the angle of attack (the angle between the onset flow and the chord line) but this relationship ends once the stall angle is reached. At this angle the airflow starts to separate from the upper surface, and any further increase in angle of attack gives no more lift (it may actually reduce) and gives a large increase in drag. www.knowledgerush.com /kr/encyclopedia/Wing   (469 words)

 Wikipedia free encyclopedia   (Site not responding. Last check: 2007-10-16) Anhedral, or a negative wing angle to the horizontal has a destabilising effect. The wing is at an angle to the airflow, so that the effective flow speed across the wing chord is lower. At this angle the airflow starts to separate from the upper surface, and any further increase in angle of attack gives no more lift (it will in fact dramatically reduce) and gives a large increase in drag. wikipedia.paellaman.com /encyclopedia.php?title=Wing   (815 words)

 Rainbow biography .ms   (Site not responding. Last check: 2007-10-16) The overall effect is that the incoming light is reflected back over a wide range of angles, with the most intense light at an angle of about 40°–42°, regardless of the size of the drop. Blue light is refracted at a greater angle than red light, but because of the light's total internal reflection from the back of the raindrop, the red light appears higher in the sky, and forms the outer colour of the rainbow. By measuring the angles that the rays emerged, he concluded that the primary bow was caused by a single internal reflection inside the raindrop and that a secondary bow could be caused by two internal reflections. rainbow.biography.ms   (1299 words)

 Trigonometric function   (Site not responding. Last check: 2007-10-16) All triangles are taken to exist in the Euclidean plane so that the inside angles of each triangle sum to p radians (or 180°); therefore, for a right triangle the two non-right angles are between zero and p/2 radians (or 90°). 2) The cosine of an angle is the ratio of the length of the adjacent side to the length of the hypotenuse. Radians specify an angle by measuring the length around the path of the unit circle and constitute a special argument to the sine and cosine functions. libraryoflibrary.com /E_n_c_p_d_Sine.html   (7836 words)

 Rpm (disambiguation) Rotate Unit Speed Minute Frequency R/min   (Site not responding. Last check: 2007-10-16) Angle measures in per second This article is about the unit of time. See second (disambiguation) for other uses The second (symbol s is a unit for time, and one of seven SI base units. Rpm (disambiguation) rpm or RPM may mean: An acronym for 'revolutions per minute', rpm is a unit of frequency, commonly used to measure rotational speed. www.economicexpert.com /a/Rpm.htm   (707 words)

 Pinnacle - LoveToKnow 1911 At this period the pinnacles were often supported on these shafts alone, and were open below; and in larger work in this and the subsequent periods they frequently form niches and contain statues. About the Transition and during the Decorated period, the different faces above the angle shafts often finish with gablets. There are small pinnacles at the angles of the tower in the abbey of Saintes. www.1911encyclopedia.org /Pinnacle   (377 words)

 Bambooweb: Navigation Navigators could determine their latitude by measuring the sun's angle over the southern horizon (if the ship was north of the sun's declination) at noon, and comparing that to the known angle at the same date at their home port. Conceptually, the angle to the celestial object establishes a ring of possible positions on the surface of the Earth. The angle is measured with a special optical instrument called a " sextant." Sextants use two mirrors to cancel the relative motion of the sextant. www.bambooweb.com /articles/n/a/Navigation.html   (1938 words)

 Angle   (Site not responding. Last check: 2007-10-16) The first concept was utilized by Eudemus, who regarded an angle as a deviation from a straight line; the second by Carpus of Antioch, who regarded it as the interval or space between the intersecting lines; Euclid adopted the third concept, although his definitions of right, acute, and obtuse angles are certainly quantitative. An angle of π/2 radians or 90°, one-quarter of the full circle is called a right angle. This angle is equal to π/2 radians minus the angle between the intersecting line and the line that goes through the point of intersection and is perpendicular to the plane. www.yotor.com /wiki/en/an/Angle.htm   (974 words)

 Stanford Semantics and Pragmatics Workshop The reason for this redundancy is that the notion of similarity used in the vector model considers only the first of our original criteria: closeness to the ambiguous word or query. The course of action this suggests is disarmingly simple: we should apply the second criterion as well, seeking disambiguating words whose meanings differ as widely as possible from one another. Disambiguating sets are thus simple to define and easy to generate. www-linguistics.stanford.edu /semgroup/archive/2000/semfest/widdows.html   (480 words)

 Triangle - Gurupedia   (Site not responding. Last check: 2007-10-16) The crucial fact is that two triangles are similar if and only if their corresponding angles are equal, and this occurs for example when two triangles share an angle and the sides opposite to that angle are parallel. In Euclidean geometry, the sum of the angles α + β + γ is equal to two right angles (180° or π radians). The three angle bisectors intersect in a single point, the center of the triangle's incircle. www.gurupedia.com /t/tr/triangle_(geometry).htm   (1671 words)

 AI Qual Summary: Vision Angle between the surface normal and viewer direction from an object. Angle between the surface normal of an object and the direction of the light source. Sum of the emergent angle and incident angle. www.cs.dartmouth.edu /~brd/Teaching/AI/Lectures/Summaries/vision.html   (3924 words)

 parsecs The parallax of a star is half of the angular distance a star appears to move against the celestial sphere due to the orbit of the Earth around the Sun. The first direct measurements of an object at interstellar distances (of the star 61 Cygni, by Friedrich Wilhelm Bessel in 1838) were done using trigonometry using the width of the Earth's orbit as a baseline. By definition, the angle D is one arcsecond and the distance ES is one astronomical unit. www.sfcrowsnest.com /scifinder/a/Parsec.php   (945 words)

 angle - OneLook Dictionary Search Angle, angle, angle : Compact Oxford English Dictionary [home, info] Phrases that include angle: angle of incidence, angle of attack, straight angle, obtuse angle, oblique angle, more... Words similar to angle: fish, lean, angled, angling, slant, tilt, tip, weight, bias, viewpoint, more... www.onelook.com /?w=angle   (483 words)

 Torque This assumes the force is in a direction at right angles to the straight lever. For example, if a person places a force of 10 N on a spanner which is 0.5 m long, the torque will be 5 N·m, assuming that the person pulls the spanner by applying force perpendicular to the spanner. For an object to be in static equilibrium, not only must the sum of the forces be zero, but also the sum of the torques (moments) about any point. www.link-ex.net /wiki_en/?title=Torque   (1598 words)

 Hue - Encyclopedia, History, Geography and Biography In an RGB color space, hue can be thought of as an angle φ in standard position. To calculate φ, let R, G, B be the color coordinates in RGB space, defined on a scale from zero to one. Hue is a coordinate (an angle of rotation) in HSL color space and HSV color space. www.arikah.com /encyclopedia/Hue   (382 words)

 CalendarHome.com - Artillery - Calendar Encyclopedia   (Site not responding. Last check: 2007-10-16) In predicted fire the basic geospatial data of range, angle of sight and azimuth between a fire unit and its target was produced and corrected for variations from the ‘standard conditions’. It means that each gun fire two or more rounds at different charges and elevation angles, hence different times of flight, timed so that they all land together, although France, logically, defines 'simultaneous' as arriving within a 15 second window. These methods were joined by radar in World War 2; while this could detect a shell in flight the gun that fired it could not usually be seen and the shell's elliptical trajectory made it impossible to extrapolate backwards. encyclopedia.calendarhome.com /cgi-bin/encyclopedia.pl?p=Artillery   (11076 words)

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