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Spherical geometry - Wikipedia


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


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 - Rice University


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


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


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 ...

Circle, Cylinder, Sphere - Paul Bourke


A great circle is the intersection a plane and a sphere where the plane also ..... There are a number of 3D geometric construction techniques that require a ...

The Sphere | Solid Geometry Review - MATHalino.com


Every section in the sphere made by a cutting plane is a circle. If the cutting plane passes through the center of the sphere, the section made is a great circle; ...

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


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

www.ask.com/youtube?q=Sphere Geometry&v=qqbquDhd5Gg
May 23, 2012 ... True for a perfect sphere. However, Earth "bulges" at the equator, which implies that the equatorial radius is a bit longer than the polar radius.

Sphere Page - Regents Exam Prep Center


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 1.


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 -- from Wolfram MathWorld


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 ...

Spherical Geometry


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