Ames, William L. (William Lewis), 1855-, Wischmeyer, Carl · New York, McGraw-Hill book company, inc.; [etc., etc.] · leaf 57
FiQ. 75. Fig. 76. 176. Point p, lying in plane S and J^ in. from V, moves to theposition (,p) when the plane is revolved intoH (Fig. 78). Find gand p. 177. Plane S has its H trace inclined at 30° to X and its V trace at45°. Show the projections of a line lying in the plane, parallel to Hand 1 in.… … Fig. 77. Fig. 78. 178. A point in plane 2 of Exercise 177, is }4 in. from ;2 and 1 in.from S. Show the projections of the point. 179. A triangle in H, sides 1^ in., 1 in. and 2 in., with the 2 in. sideparallel to X, is the plan of a triangle situated in a plane which isinclined at 60° with H and…
Geometry, Descriptive
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