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About: Nine-point hyperbola     Goto   Sponge   NotDistinct   Permalink

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In plane geometry with triangle ABC, the nine-point hyperbola is an instance of the nine-point conic described by Maxime Bôcher in 1892. The celebrated nine-point circle is a separate instance of Bôcher's conic: Given a triangle ABC and a point P in its plane, a conic can be drawn through the following nine points:the midpoints of the sides of ABC,the midpoints of the lines joining P to the vertices, andthe points where these last named lines cut the sides of the triangle.