A source book of problems for geometry, based upon industrial design and architectural ornament (1912)
Sykes, Mabel, 1868-, Slaught, H. E. (Herbert Ellsworth), 1861-1937, Lennes, N. J. (Nels Johann), 1874- · Boston, Allyn and Bacon · leaf 232
nts Z and IF are centers for the arcs CWand CZ.HZ is extended to a point G making GH = Z W, and G is center forthe arc EH. Arc FH is similarly drawn. Arc ZNH is a semicircleon ZH as diameter. For circles 0 and C see § 246. The remainderof the construction is indicated in the figure. 2. If AB = a,…
Geometry · Decoration and ornament
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