Saturday, November 28, 2020

1557. Circlecevian P-Hagge Circle

2 comments:

  1. For $P$=$X(13)$ or $X(14)$, $A_2B_2C_2$ is equilateral.

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  2. For $P$=$X(13)$, Q=X(6770)=OUTER-NAPOLEON-TO-INNER-NAPOLEON SIMILARITY IMAGE OF X(4).

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1988. Circumcenters On Euler Line

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