A recent paper by Bizony (2017) discussed the interesting golden ratio properties of a Kepler triangle, defined as a right-angled triangle with its sides in geometric
The arithmetic mean-geometric mean inequality (generally referred to as the AM-GM inequality; said to be part of the daily diet for aspiring mathletes, and routinely u
A parallelogram may appear to be a very simple and basic shape of plane geometry, but its simplicity is deceptive; indeed it possesses a lot of richness of structure.