Tuesday, January 25, 2022

1770. Equal Segments

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1 comment:

  1. Dr. Abdilkadir AltıntaşApril 10, 2022 at 12:50 PM

    Let BcAb, AcCb intersect at A1. Define B1,C1 cyclically. ABC and A1B1C1 are perspective triangles. Perspector is X(6323) lies on circumcircle of ABC.

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