Lange, David C. (David Christoph) · New York : John Wiley & Sons ; London : Chapman & Hall · leaf 31
I. When the line is parallel to the Profile Plane,necessitating the use of the Profile Plane. (Fig. 40.) Case IV. When the plane is defined by two inter-secting lines. (Fig. 41.) 29. To find the shortest distance from a point to a plane.Let P be the given plane and a the given point. (Fig. 42.) The… … POINTS, LINES AND PLANES 21 Fig. 43
Shades and shadows · Geometry, Descriptive
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