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central angle

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noun Geometry.
  1. an angle formed at the center of a circle by two radii.
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Origin of central angle

First recorded in 1900–05
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for central angle

central angle

noun
  1. an angle whose vertex is at the centre of a circle
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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

central angle in Science

central angle

[sĕntrəl]
  1. An angle formed by two rays from the center of a circle, with the center forming the vertex.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.