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 170
.Ans. (2V3 + 3). ^ns. |(2\/3 + 3).Ans. ?-(2\/3 - 3). 8. If Xr = 6, find the area of (1) the curved figure RST; (2) thetrefoil TBSCR etc.; (3) the curved figure CSB. Ans. (1) 1.45+; (2) 86.27+; (3) 14.99+. 9. li XY =2a, find the areas mentioned in Ex. 8. Ans. (1) t(2VZ-ir); (2) ^(5,7+2V3); (3)… … 168. Figure 135 is based on Fig. 134.Figure 13Sa shows the working drawingfoT icertain parts of Fig. 1356 and is based onFig. 135.
Geometry · Decoration and ornament
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