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Topic: Angle

Related Topics

Right angle

Angle (disambiguation)

Dihedral angle

Central angle

Complementary angles

Solid angle

Supplementary angles

Right triangle

Acute triangle

Radian

Collinear

Triangle

Parallel (geometry)

Gon

In the News (Sun 8 Nov 09)

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	ANGLE Technology Group
		ANGLE Technology Ventures Fills Critical Gap In Early Stage Investing
		Founded in April 1994, ANGLE Technology is an international Consulting, Management and Venture creation company focusing on the commercialization of technology and the development of technology-based industry.
		ANGLE Technology Group creates, develops and advises technology businesses on our own behalf and for our clients.
	www.angletechnology.com (102 words)

	Angle -- from Wolfram MathWorld
		Half a full rotation is called a straight angle, and a quarter of a full rotation is called a right angle.
		The use of degrees to measure angles harks back to the Babylonians, whose sexagesimal number system was based on the number 60.
		The concept of an angle can be generalized from the circle to the sphere.
	mathworld.wolfram.com /Angle.html (355 words)

	All about angle bisectors
		An angle bisector of an angle is known to be the locus of points equidistant from the two rays (half-lines) forming the angle.
		Altitudes of a triangle serve as angle bisectors of the associated orthic triangle.
		It appears that angles in a triangle with the mirror property are not arbitrary.
	www.cut-the-knot.org /triangle/ABisector.shtml (675 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 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.
	en.wikipedia.org /wiki/Angle (1532 words)

	Angle - Simple English Wikipedia
		An obtuse angle is an angle greater than 90°.
		A straight angle is an angle equal to 180°.
		A reflex angle is an angle greater than 180° but less than 360°.
	simple.wikipedia.org /wiki/Angle (204 words)

	Dorlands Medical Dictionary
		an angle measuring scoliosis as seen on a radiograph: for a given group of vertebrae, lines are drawn across the vertebral column on the upper surface of the upper vertebra and the lower surface of the lower vertebra.
		the angle made by the slopes of a cusp of a tooth with the plane that passes through the tip of the cusp and that is perpendicular to a line bisecting the cusp, measured mesiodistally or buccolingually.
		the angle formed by the intersection of a line connecting the center of the patella and the anterior iliac spine (representing the line of pull of the quadriceps tendon) and a line connecting the center of the patella and the center of the tibial tuberosity; in a normal knee it is 15 degrees.
	www.mercksource.com /pp/us/cns/cns_hl_dorlands.jspzQzpgzEzzSzppdocszSzuszSzcommonzSzdorlandszSzdorlandzSzdmd_a_41zPzhtm (2715 words)

	Trisecting an angle
		Given an angle CAB draw a circle with centre A so that AC and AB are radii of the circle.
		angle PAB = angle PBA is a hyperbola.
		Gauss had stated that the problems of doubling a cube and trisecting an angle could not be solved with ruler and compasses but he gave no proofs.
	www-groups.dcs.st-and.ac.uk /~history/HistTopics/Trisecting_an_angle.html (2043 words)

	Angle Recession Glaucoma
		Although angle recession glaucoma is uncommon, it may not be readily diagnosed because the onset of symptoms is often delayed.
		The risk of eventual progression to glaucoma is generally accepted to be proportionate to the extent of the angle recession, although the presence of angle recession alone is not a good predictor for the occurrence of glaucoma.
		In this study, it was found that of eyes with angle recession involving all 360° of the iris, only 8% had glaucoma, and the overall prevalence of glaucoma of eyes with any degree of angle recession was 5.5%.
	www.emedicinehealth.com /angle_recession_glaucoma/article_em.htm (1497 words)

	Angle Summary
		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 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.
		This angle is equal to ninety degrees minus the angle between the intersecting line and the line that goes through the point of intersection and is normal to the plane.
	www.bookrags.com /Angle (2767 words)

	Angles and angle terms
		An acute angle is an angle measuring between 0 and 90 degrees.
		An obtuse angle is an angle measuring between 90 and 180 degrees.
		Angle B and angle C are also alternate exterior angles.
	www.mathleague.com /help/geometry/angles.htm (526 words)

	angle concept from the Astronomy knowledge base (Site not responding. Last check: 2007-11-07)
		Elevation angle is 90° minus the zenith distance (or zenith angle)., Angular distance above the horizon., The angular distance of a celestial body above or below the horizon, measured along the great circle passing through the body and the zenith.
		The (equatorial) inclination of a planet is the angle between the plane of its equator and that of its orbit.
		The resulting angle can be used, by triangulation, to determine the distance of the star or planet., The difference in apparent direction of an object as seen from two different locations; conversely, the angle at the object that is subtended by the line joining two designated points.
	www.site.uottawa.ca:4321 /astronomy/angle.html (1080 words)

	PlanetMath: angle (Site not responding. Last check: 2007-11-07)
		It is also possible to define the multiplication of a free angle by a positive integer, provided that the resulting angle is a well-defined free angle.
		Two popular angle measures are the degree measure and the radian measure.
		This is version 13 of angle, born on 2005-10-18, modified 2005-10-28.
	planetmath.org /encyclopedia/RightAngle2.html (558 words)

	Measurement of angles (Site not responding. Last check: 2007-11-07)
		Then the angle cuts off an arc of the circle, and the length of that arc is the radian measure of the angle.
		Then the radian measure of the angle is the ratio of the length of the subtended arc to the radius of the circle.
		On a circle of radius 5.782 meters the length of an arc is 1.742 meters.
	aleph0.clarku.edu /~djoyce/java/trig/angle.html (1768 words)

	SparkNotes: Constructions: Angles
		An angle is a geometric figure consisting of two rays with a common endpoint.
		Congruence in angles is symbolized by a small arc drawn in the region between rays.
		The measure of the exterior angle is always greater than that of the interior angle, and is always equal to 360 degrees minus the measure of the interior angle.
	www.sparknotes.com /math/geometry1/constructions/section1.html (662 words)

	Angle Lamps (Site not responding. Last check: 2007-11-07)
		Angle lamps probably were not sold in quantity until about 1896-1898.
		From 1908 until 1929, the Angle lamp was contemporary with the famous, efficient Aladdin lamps.
		Both the Aladdin and the Angle lamps were expensive.
	www.aladdinknights.org /anglelmp.htm (300 words)

	Seat Tube Angle
		The seat tube angle is the included angle between the seat tube and the top tube (assuming that the top tube is level, or the angle between the rear of the seat tube and the ground plane.
		A shallow seat tube angle displaces the hips rearward and like longer cranks, tends to restrict the crank RPM’s due to the larger angular change of the femur and results in the need for a shorter top tube length due to a more upright pelvis and lower back.
		The actual range of motion will still be the limiting factor as far as spin goes and in no case should the forward displacement of the saddle be greater than the difference between the ideal crank length and the actual length being used.
	www.billbostoncycles.com /seat_tube_angle.htm (331 words)

	angle. The Columbia Encyclopedia, Sixth Edition. 2001-05
		Angles are commonly measured in degrees (°;) or in radians.
		An angle less than a right angle is acute, and an angle greater than a right angle is obtuse.
		Angles can also be formed by higher–dimensional figures, as by a line and a plane, or by two intersecting planes.
	www.bartleby.com /65/an/angle.html (256 words)

	Angle
		In optics, the angle of incidence is the angle which a ray of light makes with a perpendicular to the surface, or to that point of the surface on which it falls.
		The angle of refraction is the angle which a ray of light refracted makes with the surface of the refracting medium; or rather with a perpendicular to that point of the surface on which it falls.
		A spherical angle is one made by the meeting of two arches of great circles, which mutually cut one another on the surface of the globe or sphere.
	dictionary.christianpost.com /definition/angle.htm (420 words)

	Wrestlemania slips a notch minus Angle - Pittsburgh Tribune-Review
		Angle, the WWE champion, who was scheduled to face Brock Lesnar on March 30 in Seattle at Safeco Field, will have major neck surgery and will miss about one year of in-ring time.
		Angle's injury wasn't a result of a specific match or move but rather years of taking bumps and landing on his neck.
		Angle's ability to adapt from amateur to professional wrestling in such a short amount of time shows both respect and intelligence for the business, further proving that "Wrestlemania" without our Olympic Hero just won't be the same.
	www.pittsburghlive.com /x/tribune-review/sports/s_122584.html (793 words)

	Exploratorium: Science Snacks: Critical Angle
		Beyond that angle (the critical angle), all the light is reflected back into the water, so the reflected beam is as bright as the incident beam.
		The critical angle for water is measured between the beam and a line perpendicular to the surface, and is 49 degrees.
		Any light that is not aligned parallel to the axis of the fiber hits the wall of the fiber and is reflected (totally!) back inward,since the angle of incidence with which the light hits the wall is much larger than the critical angle.
	www.exploratorium.edu /snacks/critical_angle.html (818 words)

	angle - Search Results - MSN Encarta
		Angle (geometry), a measure of the rotation of a line segment about a fixed point.
		This rotation is similar to the sweep of a second hand partway...
		Angles (people) (Latin Angli), Germanic tribe that occupied the region still called Angeln in what is now the state of Schleswig-Holstein, Germany....
	encarta.msn.com /encnet/refpages/search.aspx?q=angle (228 words)

	acute angle - Hutchinson encyclopedia article about acute angle (Site not responding. Last check: 2007-11-07)
		Angle between 0° and 90°; that is, an amount of turn that is less than a quarter of a circle.
		The air is an unstable medium at best, and quite without warning, at an acute angle, he entered an aerial tide which he recognized as the gulf stream of wind that poured through the drafty-mouthed Golden Gate.
		On the opposite wall near the acute angle stood a small plain wooden chest of drawers looking, as it were, lost in a desert.
	encyclopedia.farlex.com /acute+angle (199 words)

	Angle
		But through it all, Angle persevered, and found himself in the 220-pound class finals against a storybook villain, Iran's Abbas Jadidi, an imposing strongman with a mustache suited for a silent-movie villain.
		As for the new American hero, Kurt Angle, he cried -- on the medal stand, while giving his medal to mom, in the news conference.
		Angle did some promotional work around Pittsburgh after winning the gold medal, some motivational speaking, and tried his hand a sportscasting.
	www.karmaswrestlingretro.com /angle.html (567 words)

	MPR: The Northwest Angle
		Angle residents have also become angry over inaction by the U.S. They say regulation of international border waters can't apply to just certain groups on that water.
		Angle gossips have been known to listen in on the channels where private conversations are taking place.
		The Angle couldn't be more different from tourist spots along the North Shore of Lake Superior, where there's always a hiking trail and a cappuccino around the bend.
	news.minnesota.publicradio.org /features/199808/17_radila_angle-m (1726 words)

	Rainbows - Page 2
		As you move the light ray, observe the effect of the incident angle on the dispersion of the red and blue rays as well as the effect of the angle of incidence on the angle of deflection.
		The angle at which a light ray strikes a boundary determines the proportion of the ray that is reflected and the proportion that is transmitted.
		Rays that strike the rain drop at a small angle of incidence will tend to pass through the drop, and the part of the rays that are reflected inside the drop are spread out relative to one another, while the colors within the rays are not noticeably separated.
	www.batesville.k12.in.us /Physics/PhyNet/Optics/Refraction/Rainbows_2.html (822 words)

	Angle Incorporated (Site not responding. Last check: 2007-11-07)
		Angle Incorporated is pleased to announce their participation on the winning team for the Torpedo Detection Classification and Localization (DCL) Demonstration for the United States Navy.
		Angle artists and designers were called on by Lockheed MArtin's Naval Electronics and Surveillance Systems to create animations and 3D renderings of the new Littoral Combat Ship, an advanced semiplaning ship whose hull lifts out of the water at high speeds.
		Angle was invited to be a member of the Gibbs and Cox' team, contributing to the Focused Mission High Speed (FMHS) Ship Concept Study for the US Navy.
	www.angleinc.com /announcements.html (1158 words)

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