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 280
EXERCISES1. If AB = s, find the radius of circle 0 and circle 0. Ans. (1) ^; (2) ^.^ ^ 16 ^ ^ 40 2. Construct the entire figure. 3. Show that the radius of circle 0 may be derived from the for-mula obtained in § 275, Ex. 23. … D S Fig. 239. M 268 GOTHIC TRACERY: POINTED FOBMS 285. IiiFig.239AQ=BP=JAB.P and Q are the centers for the arcsBC and AC, respectively. AR=RD=DS=SB. Arcs GH, ED, KS, etc., aredrawn with AQ as radius, and pointson line PM as centers. M is the cen-ter for the arc FD.
Geometry · Decoration and ornament
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