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 174
s, and X, S, Y, T, etc., are the middle points of these radii. EXERCISES 1. Prove that XSYT etc. is a regular hexagon. 2. If X, Y, and N are the centers of RAS, SBT, and TCR, re-spectively, prove that these arcs meet at the points R, S, and T. 3. Prove that the curved figures ASB and BTC are…
Geometry · Decoration and ornament
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