Kenison, Ervin, Bradley, Harry Cyrus, 1871-1936 · New York : The Macmillan Company · leaf 107
he required plane.If, however, the required plane is to contain C and be parallelto ab, the plane It, passed through C parallel to plane Q (§ 103),is the required plane. 86 DESCRIPTIVE GEOMETRY [X, § 107 Problem 8. To find the plane which contains a given point and isparallel to each of two given… … Fig. 14(5. Construction (Fig. 146). Let c be the given point, A and Bthe given lines. Through c draw the auxiliary lines, D parallelto A, and E parallel to B. Pass the required plane Q throughthe lines D and E (Prob. 6, § 106). The special cases of this problem are too similar to those ofProblem 7…
Geometry, Descriptive
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