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 298
find the radius of circle O, if 3s Qk-2 AB = s and NB = 1$. Ans. 70 3. Prove A ACB and AEM similar and the points A, E, and Ccollinear. Suggestion. — See § 275, Exs. 16-19. 4. Ji AQ= AB, find the radius of circle 0. Ans. Ss 10 ■ 2s 5. If AQ = kAB = ks and SN = hNB = A • —, find the radius of circle… … M D N Q Fig. 254. EXERCISES 1. Find the radius of circle 0 tangent to the arcs A C, CB, EM, and FN, if AB = s.2. liAQ = kAB: Ans. 61s220 and BN = | AB, find the radius of circle 0. Ans. _s_ 25^-410 ok+2 3. Show that the results obtained in Ex. 1 and 2 may be derivedfrom the formula in § 299, Ex. 5.…
Geometry · Decoration and ornament
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