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 272
Fig. 232«. — From Amiens Cathedral. In Fig. 233 AQ = BP = | AB. P and Q are the centers for the arcs CB andCA, respectively. DA = DB. Semicircles are constructed on AD and DB. EXERCISES 1. Find the radius of circle 0 tangent to the arcs AC, CB, AwD, 7 sand DxB, ii AB = s. Ans. —. 2. Construct…
Geometry · Decoration and ornament
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