Young, George, jr, Baxter, Hubert Eugene, joint author · New York, The Macmillan Co. · leaf 79
ular tothe generating polygon may be substituted for the axis in thepreceding statements. Since a section made by a plane perpendicular to the axis isunique, it is used to describe the prism. Such a section is calleda right section, or sometimes simply the section, of the prism. 62 DESCRIPTIVE… … FiQ. 61 V, § 53] PLANE FIGURES AND SOLIDS 63 projections of the axis can be constructed from the principlesof § 29, and then the projections of the ends can be found from§ 46. Finally, if the edges are drawn to connect the ends, theprojections will be complete. For example, let it be required to…
Geometry, Descriptive
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