Perspective and geometrical drawing : adapted to the use of candidates for second and third-class teachers' certificates (1887)
McGuirl, Thos. H. (Thomas H.) · Toronto, Ont. : W. Briggs · leaf 124
To construct a regular pentagon on a given lineby a special method. Let AB be the given line ; describe arcs CAD and CBD,with radius AB; join CD ; with centre D and distance sameas AB describe arc EABF, cutting former arc in E and F. GEOMETRICAL DRAWING. 121 Join FG and EG, and produce them to meet… … No. 20.—To construct a regular hexagon on a given straightline.
Geometrical drawing · Perspective
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