Kenison, Ervin, Bradley, Harry Cyrus, 1871-1936 · New York : The Macmillan Company · leaf 180
ersects Ak in the pointo, lying in H. It is necessa rvto find the shortest distancefrom this point to the line A.Assume a secondary groundline, G]LX, coincident with Ah.Project the line A as A?(§ 68), using the traces s an< 1 / FlG- 241- as the most convenient points in the line. Point o remains… … 160 DESCRIPTIVE GEOMETRY [XVI, § 145 respectively. Draw crs2 and crs3. The angle between theselines equals the required angle, 6, between the given planes. Additional examples are given in Figs. 242 and 243. Eachof them falls under the general case, but they differ in themethod of finding the line…
Geometry, Descriptive
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