Semi-similar complete quadrangles - Benedetto Scimemi Let A = A_1A_2A_3A_4 and B =B_1B_2B_3B_4 be complete quadrangles and assume that each side...
Simple relations regarding the Steiner inellipse of a triangle - Benedetto Scimemi By applying analytic geometry within a special Cartesian...
Paper-folding and Euler's theorem revisited - Benedetto Scimemi Given three points O, G, I, we give a simple construction by paper-folding for a...
