帕司卡定理：给定一个圆上的六边形，则此六边形三对对边直线的交点在同一直线上。

Pascal's Theorem points of intersection of opposite sides a hexagon inscribed in a conic are collinear .

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帕司卡定理：给定一个圆上的六边形，则此六边形三对对边直线的交点在同一直线上。

Pascal's Theorem points of intersection of opposite sides a hexagon inscribed in a conic are collinear .

youdao