# spherical geometry

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

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## Origin of spherical geometry^{}

First recorded in 1720–30

Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

## spherical geometry

- the branch of geometry concerned with the properties of figures formed on the surface of a sphere

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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

## spherical geometry

- The geometry of circles, angles, and figures on the surface of a sphere.

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The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.