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 205
Fig. 173. Fig. 1730. OTHER FOILED FIGUBES 193 EXERCISES 210. 1. Make a complete drawing for Fig. 173. Show that itdepends directly upon Fig. 171. Why is the inner circle possible? 2. If the radius of the larger circle is r, find the radius of theinner circle. Suggestion. — Use results obtained in §…
Geometry · Decoration and ornament
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