...Topics have included properties of triangles and other polygons, formulas for area, volume, etc., similarity and congruence of polygons, and formal proofs in a variety of formats. I emphasize use of the right "tool" of geometry ( a formula, a property, etc.) to make the job easier to accomplish ... (read more)
...After graduating from the University of Maine in 1971 followed by a year of graduate study, I worked in the field of electronic design for Raytheon (6 years), Hewlett Packard (25 years), Agilent Technology (5 years) and Philips Medical till retirement. My work in the medical design area produced... (read more)