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Spherical geometry

en.wikipedia.org/wiki/Spherical_geometry

Spherical geometry is the geometry of the two-dimensional surface of a sphere. It is an example of a geometry that is not Euclidean. Two practical applications of ...

Sphere - Math is Fun

www.mathsisfun.com/geometry/sphere.html

Sphere. Go to Surface Area or Volume. Sphere Facts. Notice these interesting things: Sphere Radius. It is perfectly symmetrical; All points on the surface are the

The Geometry of the Sphere 1.

math.rice.edu/~pcmi/sphere/sphere.html

Basic information about spheres. We will start with the basics. A sphere is a set of points in three dimensional space equidistant from a point called the center of ...

Spherical Geometry

jwilson.coe.uga.edu/EMAT6680Fa11/Frailey/SphericalGeometryEssay.htm

Spherical Geometry. Danielle Frailey. Spherical Geometry in History. At the time when Earth was discovered to be round rather than flat, spherical geometry ...

Spherical Geometry -- from Wolfram MathWorld

mathworld.wolfram.com/SphericalGeometry.html

The angle between two lines in spherical geometry is the angle between the planes of the corresponding great circles, and a spherical triangle is defined by its ...

Sphere -- from Wolfram MathWorld

mathworld.wolfram.com/Sphere.html

Twice the radius is called the diameter, and pairs of points on the sphere on opposite .... Coolidge, J. L. A Treatise on the Geometry of the Circle and Sphere.

Spherical Triangle -- from Wolfram MathWorld

mathworld.wolfram.com/SphericalTriangle.html

A spherical triangle is a figure formed on the surface of a sphere by three great circular arcs intersecting pairwise in ... "Spherical Geometry and Trigonometry.

Sphere Facts - Interesting Information about Spheres

www.kidsmathgamesonline.com/facts/geometry/spheres.html

Fun Geometry Facts for Kids - Interesting Shapes, Trivia & Information ... A sphere is a perfectly round three dimensional shape similar to a round ball you might ...

Sphere: Definition & Formulas - Video & Lesson Transcript | Study.com

study.com/academy/lesson/sphere-definition-formulas-quiz.html

This lesson will give a mathematical definition of a sphere, discuss the formulas... ... 27 - Analytic Geometry & Conic Sections in Trigonometry:... Go to Analytic ...

Sphere Page - RegentsPrep

www.regentsprep.org/regents/math/geometry/gg2/SpherePage.htm

Note: A cross section of a geometric solid is the intersection of a plane and the solid. The surface area of a sphere is four times the area of the largest ...

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The Geometry of the Sphere

math.rice.edu

Jan 28, 2000 ... This material was the text for part of the Advanced Mathematics course in the High School Teachers Program at the IAS/Park City Mathematics ...

Spherical Geometry - EscherMath

euler.slu.edu

Nov 22, 2015 ... Spherical geometry is nearly as old as Euclidean geometry. In fact, the word geometry means “measurement of the Earth”, and the Earth is ...

Spherical Geometry -- Math Fun Facts

www.math.hmc.edu

Remember high school geometry? The sum of the angles of a planar triangle is always 180 degrees or Pi radians. However, triangles on other surfaces can ...