Descriptive geometry for students in engineering science and architecture; a carefully graded course of instruction (1915)
Armstrong, Henry F. (Henry Fry), 1868- · New York, J. Wiley & sons, inc.; [etc., etc.] · leaf 75
en aperpendicular from dd may be found, of a given length, to serve as the axis of thesolid, by the method of Fig. 52. The upper end of this axis, i.e., the apex of thepyramid, may then be joined by straight lines to the corners of the pentagon to 66 DESCRIPTIVE GEOMETRY complete the representation… … EXERCISE XXVIII 1. Find the plan and elevation of a regular pentagon i\ edge, when one edge is at 20° tothe H.P. and an adjacent edge is at 35° to the H.P. 2. Find the plan and elevation of a right hexagonal pyramid when one edge of the base isat 15° to the H.P. and an adjacent edge of the base is…
Geometry, Descriptive
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