Geometria, altfel - probleme pentru concursuri
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joi, 16 mai 2024
https://artofproblemsolving.com/community/c4t48f4h3318242_rioplatense_angle_chasing_geometry_for_juniors_2023_l1_p2
A surprising solution given by my son, attached
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Prob 1576 Gogeometry
ToT2, pr. 1, 2
Own problem
Own maybe...
IGO 2014, aops, Morteza Saghafian, https://artofproblemsolving.com/community/c6t48f6h1677987_equal_angles_when_ltc__lta__90o
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