Inside the square ABCD there is a square DEFG so that [ABP]=[CGFP]+[AFE].
Proof and drawing, attached.
marți, 26 martie 2024
vineri, 15 martie 2024
joi, 14 martie 2024
Art of problem solving, https://artofproblemsolving.com/community/c6t48f6h3275951_xmxa_if_ltbax2_lt_xba_ltxac2_ltac_x
Attached, my solution to subject problem
sâmbătă, 6 ianuarie 2024
sâmbătă, 12 august 2023
joi, 10 august 2023
Problem, Kurschak, 1960
Attached, a calculatory solution, far less attactive than the one of Jean-Louis Ayme
miercuri, 9 august 2023
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Geometria Super Top, Dong le Minh https://www.facebook.com/photo?fbid=4516632665291447&set=gm.2394306588006363&idorvanity=830782544358783
Note: I came up with the following proof 53 years ago, during an exam; as the majority of solvers used the 3 concurrent circumcircles of th...
