An elementary treatise on geometry : simplified for beginners not versed in algebra (1833)
Grund, Francis J. (Francis Joseph), 1805-1863 · Boston : Carter, Hendee & Co. · leaf 186
thirds to three thirds ; or, which is the same, as oneis to two, to three; whence the rest of the demonstration followsof course. Remark. If it is required to divide the trapezoid ABCD notinto equal parts, but according to a given proportion, it will onlybe necessary to divide the line AG in this… … Solution. Let ABCDE be the given figure. 1. Divide one side of the figure, say AB, according toIhe given proportion; let the point of division be Z. 2. Upon AB, as a diameter, describe a semicircle, and 16 182 GEOMETRY- from Z draw the perpendicular ZM, meeting the semi-circle in M. 3. Make Ab =:…
Geometry, Plane
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
