Young, George, jr, Baxter, Hubert Eugene, joint author · New York, The Macmillan Co. · leaf 110
ruction can follow,and attention can be centered on the detail of each operation withoutconfusing the main issue. VI, § 84] POINTS, LINES, AND PLANES 93 the point given and tliepiercing point thusfound (§ 24). Second Method. An-other method is shownin Figs. 94 and 95.The point a and theplane Z…
Geometry, Descriptive
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