Practical plane and solid geometry for advanced students, including graphic statics, adapted to the requirements of the South Kensington syllabus (1899)
Harrison, Joseph, Baxandall, George Albert · London Macmillan · leaf 54
are asymptotic (see Chapter IV.). The bisection of OL inM makes them parabolas, from which the true curves for such smallarcs do not visibly differ. Alternative Solution.—Along AB, AC set off AN, AN each equalto the geometrical mean between AB and AE. Bisect NN in T. JoinA T and produce to S,… … Examples.—1. Draw a triangle ABC having given AB—^.o,BC=t,.2, CA= 1.8. Divide the triangle into two equalareas by a line parallel to AB. 2. Divide the triangle of Ex. i into five equal areas by lines parallel to BC.Note.—Divide AB into five equal parts, and from the points ofdivision draw…