Legendre, A. M. (Adrien Marie), 1752-1833, Brewster, David, Sir, 1781-1868, Davies, Charles, 1798-1876 · New York, Wiley & Long · leaf 106
en square C ; from the point E, where the parallel cuts thecircumference, draw EF perpendicular to the diameter ; AFand FB will be the sides of the rectangle required. For their sum is equal to AB ; and their rectangle AF.FB isequivalent to the square of EF, or to the square of AD ; hencethat… … BOOK IV. 1U7 PROBLEM XVII. To construct a rectangle that shall he equivalent to a givensquarey and the difference of whose adjacent sides shall heequal to a given line. Suppose C equal to the given square, and AB the differenceof the sides. Upon the given line AB as a diame-ter, describe a…
Trigonometry · Geometry
Internet Archive · Wellesley College Library · Public Domain Mark 1.0. Free to use for anything.
![An illustration from Examen dv livre des Recreations mathematiqves, & de ses problemes en geometrie mechanique, optique & catoptrique [du J. Leurechon] Où sont aussi discutées & restabiles plusieurs experiences physiques y proposées (1639)](https://img.insideoutlibrary.com/img/200/ia-examendvlivredes00mydo-85-18.webp)
