Last Updated
：2025/11/21
radical line
（ plural ）
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(mathematics) The line containing the locus of points from which the segments respectively tangent to two given circles have equal length.
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radical line
To locate the radical line of two circles, find all points from which the tangent segments to the circles have equal length.
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To locate the radical line of two circles, find all points from which the tangent segments to the circles have equal length.
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