Excerpt from Elements of Geometry: Containing the First Six Books of Euclid, With a Supplement on the Quadrature of the Circle, and the Geometry of Solids; To Which Are Added, Elements of Plane and Sphericale Trigonometry Let abc, def be two triangles having the two sides ab, ac, equal to the two sides de, df, each to each, viz. AB to de, and AC to df. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.