Snyder, Virgil, 1869-1950, Sisam, Charles Herschel, 1879-, Hill, Theodore Preston. Early American mathematics books. CU-BANC · New York, H. Holt and Company · leaf 48
= 0? 5. Determine the equations of the line through (1, 2, 3) intersecting thetwo lines x + 2 ?/— 3^=0, y— 4^=4 and 2x—y +32=3, 3x + y + 2s + 1=0. 25. Application in descriptive geometry. A line may be represented by the three orthogonal projections of a segment of the line,each drawn to scale.… … jections in the XT-plane are thus drawn to scale on the samepaper as projections on the XZ-plane, but points are distinguishedby different symbols, as P, P^The XT-plane is called the planor horizontal plane. Finally, letthe FZ-plane be turned about theZ-axis until it coincides with theXZ-plane, and…
Geometry, Analytic
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