GeoDom
lunes, 21 de julio de 2014
Three Parabolas with Common Directrix
Description and proof
viernes, 18 de julio de 2014
Seven Problems in Equilateral Triangle
Description and proofs
miércoles, 16 de julio de 2014
Circle Rotations and Fixed Points
Description and proof
viernes, 4 de julio de 2014
Extra eyeballing leads to an Archimedean triplet!
Description and proof
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