Spanton, J. Humphrey (John Humphrey) · London, Macmillan and Co., Limited; New York, The Macmillan Company · leaf 117
CONSTRUCTIOX OF SIMILAR FIGURES. 103 Principles of Similitude. Draw a rectangle ABDC, and join each angle to anyE. Bisect EB in G, EA in F, ED in K, and EC in H.FG, GK, KH, andHF, then FGKH pointJoin … willbe a rectangle withsides one-half thelength of the rectangleABCD. If we drawthe diagonals BC andGH, we shall findthey are parallel to each other, and that iig-205. BC : GH as 2:1. If we take any point L-in BD and joinit to point E, LE will intersect GK in M, and will divide GKin the same…
Geometrical drawing · Design · Drawing
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