# radical axis

- the line such that tangents drawn from any point of the line to two given circles are equal in length.

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## Origin of radical axis^{}

First recorded in 1840–50

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

# radical axis

- a line from any point of which tangents to two given circles are of equal length. It is the line joining the points of intersection of two circles

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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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