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 276
ore the line of centers of circles O and O equals the sum of the radii, and the circles are tangent. 5. Show how to construct circle 0.^ Suggestion. — Since 00 is parallel to RD, perpendiculars erectedat R to line A D and at 0 to line CD intersect at 0. 6. What fraction of the semicircle ACB is… … D NQ Fig. 235. Fig. 235a.— From Union Parl<Church, Chicago. In Fig. 235 AQ = PB = ^ AB. P and Q are centers for the arcs CB andAC, respectively. Arcs ED and FD are drawn with R and S as centers and AQas radius. 1 Hanstein, PI. 19. 264 GOTHIC TBACEBT: POINTED FOBMS EXERCISES 1. Find the radius of…
Geometry · Decoration and ornament
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