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 133
Fig. I09o.EXERCISES134. 1. Show that Figs. 109 and 109a are based on Fig. 107.2. Ji AB = a and XL = \ XE, find the area of (1) HAELMNand (2) HNMLEOH. ^ns.(l)^(8+,r); (2)|j(8-,r). 3. If AB = a and XL = J^ Z£, find the above areas. ^n.. (1)^(18 + -); (2) ^(18-.). XE 4. If AB = a and XL = , find the…
Geometry · Decoration and ornament
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