radical axis
(mathematics) The line containing the locus of points from which the segments respectively tangent to two given circles have equal length.
plural of parquetry
That pays taxes.
A kind of willow, Salix viminalis, growing in wet places in Europe and Asia, and introduced into North America. It is considered the best of the willows for wickerwork (basketweaving with wicker). ...
幾何の問題を解くために、彼女は二つの円に対して接線の線分の長さが等しくなる点の軌跡をなす直線を作図し、それを使って共通弦を見つけた。
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DiQt
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