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 304
Fig. 259. 305. In Fig. 259 AQ = BP = f AB. P and Q are the centers for the arcsCB and AC. AB is divided into ^ equal parts. The arcs shown passing throughthe various points of division have radii equal to AQ and centers on AB or ABextended. • EXERCISES 1. Find the radius of circle 0 tangent to the… … Fig. 259a. — From Merton College Chapel, Oxford. 292 GOTHIC TRACEBT: POINTED FORMS 2. Construct the entire figure. 3. Verify the result derived in Ex. 1 by substituting ^ = ?, m = ?,in the result obtained in § 294, Ex. 3. 4. If AB = s, find the length of XD and the altitude of the archA GP. Ans.…
Geometry · Decoration and ornament
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