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Spherical geometry - Wikipedia

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 - Rice University Math

math.rice.edu/~pcmi/sphere/

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 -- 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 ...

The Geometry of the Sphere 1. - Rice University Math

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 -- Math Fun Facts

www.math.hmc.edu/funfacts/ffiles/20001.2.shtml

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 ...

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 ...

three.js / documentation

threejs.org/docs/

Getting Started. Creating a scene; Detecting WebGL and browser compatibility; How to run things locally; Drawing Lines; Creating Text; Migration Guide; Code ...

Circle, Cylinder, Sphere - Paul Bourke

paulbourke.net/geometry/circlesphere/

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 ...

Ideas in Geometry/Spherical Geometry - Wikiversity

en.wikiversity.org/wiki/Ideas_in_Geometry/Spherical_Geometry

Jan 29, 2017 ... It is important to recognize and understand these key concepts to fully expand upon properties of spherical geometry. A point: a point on a ...