“excircle”的概念、定义、翻译、参考文献-科学参考

单词	excircle
释义	excircle Mathematics An excircle of a triangle is a circle that lies outside the triangle and touches the three sides, two of them extended. There are three excircles. The centre of an excircle is an excentre of the triangle. Each excentre is the point of intersection of the bisector of the interior angle at one vertex and the bisectors of the exterior angles at the other two vertices.
随便看	active device Active Directory active euthanasia active filter active galactic nucleus active galaxy active geophysical methods active immunity active imposter acceptance active interval active labour market policies active layer active load Active Magnetosphere and Planetary Electrodynamics Response Experiment active margin active mass active-matrix LCD active-matrix organic light-emitting diode active methods active microwave instrument active mode active network active optics active pool active prominence

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