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 123
sented by 5-2 ——-, or 4 of 180°; hence it is always necessary to draw through the second point of division. (6) In a given circle. Let ABE be the given circle; draw any diameter FC, anddivide it into as many equal parts as the figure is to havesides (in this case five); with centre C and distance… … Fig. 89. No. 19.—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…
Geometrical drawing · Perspective
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