Kenison, Ervin, Bradley, Harry Cyrus, 1871-1936 · New York : The Macmillan Company · leaf 168
complement ofthe required angle. In general, the second analysis gives the simpler construc-tion, and is the one usually adopted. Construction (Fig. 226). Let A be the given line and Q thegiven plane. Assume any point e (c\ c) on A. From c draw XV, § 141] PROBLEMS OF REVOLUTION 147 the line B (Bh,…
Geometry, Descriptive
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