“Miquel's Theorem”的概念、定义、习题解题方法及翻译-数学辞典

单词

Miquel's Theorem

释义

Miquel's Theorem

If a point is marked on each side of a Triangle , then the three Miquel Circles (each through aVertex and the two marked points on the adjacent sides) are Concurrent at a point calledthe Miquel Point. This result is a slight generalization of the so-called Pivot Theorem.

If lies in the interior of the triangle, then it satisfies

The lines from the Miquel Point to the marked points make equal angles with the respective sides. (This is aby-product of the Miquel Equation.)

Given four lines , ..., each intersecting the other three, the four Miquel Circles passing througheach subset of three intersection points of the lines meet in a point known as the 4-Miquel point . Furthermore, thecenters of these four Miquel Circles lie on a Circle (Johnson 1929, p. 139). The lines from togiven points on the sides make equal Angles with respect to the sides.

Similarly, given lines taken by s yield Miquel Circles like passing through a point ,and their centers lie on a Circle .

See also Miquel Circles, Miquel Equation, Miquel Triangle, Nine-Point Circle, Pedal Circle,Pivot Theorem

References

Johnson, R. A. Modern Geometry: An Elementary Treatise on the Geometry of the Triangle and the Circle. Boston, MA: Houghton Mifflin, pp. 131-144, 1929.

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