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en.wikipedia.org/wiki/Spherical_geometry

mathworld.wolfram.com/SphericalGeometry.html

The angle between two lines in

spherical geometry

NOUN

1.

the branch of geometry that deals with figures on spherical surfaces.

Source:
Dictionary.com

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

math.rice.edu/~pcmi/sphere/

Jan 28, 2000

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

Remember high school

mathworld.wolfram.com/SphericalDistance.html

en.wikipedia.org/wiki/Great-circle_distance

The great-circle

www.math.ksu.edu/~dbski/writings/haversine.pdf

Popular Q&A

Q:
What is true in spherical geometry .

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All right angles are still equal. Only one straight line can be drawn between any two nonpolar points. A circle can be drawn with any point at its center. Apex ...
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What is a line in spherical geometry .

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Spherical geometry is the simplest form of elliptic geometry , in which a line has no parallels through a given point. Contrast this with Euclidean geometry , in ...
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What is spherical geometry ?

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The Spherical Geometry is the study of figures on the surface of a sphere, as opposed to the type of geometry studied in plane geometry or solid geometry .
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