Young, George, jr, Baxter, Hubert Eugene, joint author · New York, The Macmillan Co. · leaf 81
Intersection of Right Prisms — Special Case. Whentwo prisms are drawn as shown in Fig. 62 o, it is not at onceapparent where they intersect. The problem of determiningthe line of intersection becomes very simple when it is re-membered that the line of intersection will be that line whichjoins the… … Fig. 62 in which each edge of the inclined prism intersects some face ofthe upright prism, using the principle of § 31. In this casewe find the trace of a line on the plane bounding the prisminstead of finding its trace on H or V. In Fig. 62 a, the trace of the edge cd is found by noticing that the…
Geometry, Descriptive
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