Elementa Geometriae est liber mathematicus a Gulielmo Sanders anno MDCLXXXVI editus. In hoc libro, Sanders methodo naturali clara et facili breviter demonstrat geometriae elementa. Liber constat ex quattuor partibus: planimetria, stereometria, trigonometria, et geometria analytica. In planimetria, Sanders demonstrat proprietates et theoremas circa figuras planas, qualis triangulos, quadrilateros, et circulos. In stereometria, demonstrat proprietates et theoremas circa figuras solidas, qualis cubos, pyramides, et spheras. In trigonometria, Sanders explicat theoremas et formulas circa angulos et triangulos. In geometria analytica, Sanders demonstrat theoremas circa curvas et equationes algebraicas. Liber est scriptus in lingua Latina et est usus a mathematicis et scholaribus per saecula.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as library marks and notations. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions, that are true to their original work.