Kenison, Ervin, Bradley, Harry Cyrus, 1871-1936 · New York : The Macmillan Company · leaf 292
The remainder of the constructioninvolves nothing that has not been explained in the precedingproblem. A Line Tangent to the Curve of Intersection. Theline T (Th, Tv) is tangent to the intersection at point 12. Tofind this line, pass the plane R, tangent to the cone, alongelement 12 (Prob. 31, §… … FiQ. 322. 272 DESCRIPTIVE GEOMETRY [XXV, § 192 Problem 48. To find the intersection of two cones. Analysis. Draw the line which passes through the two ver-tices of the cones. Auxiliary planes passed through this linewill intersect each of the given surfaces in elements (§ 190).The intersection is…
Geometry, Descriptive
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