For 'double angle lemma' you may see my book 'Rose Thorns - Geometry Gewels'
Abonați-vă la:
Postare comentarii (Atom)
Nice problem, lost source, again
Today I saw an old problem on fb geometry sites, with a very nice solution bearing the inconfoundable signature of Master Hasan Ata; attach...
Niciun comentariu:
Trimiteți un comentariu