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 130
. 105 is derived from Fig. 104. 2. If ^^ = 6 and XL = i XO, find the area of (1) OHKLMEO;(2) OENPQFO; (3) ENPQFRS etc. Ans.Q.) 3|; (2) 5|; (3) 18. 3. If AB = a and XL = J XO, find the above areas. 3a2 5a2 4. If ^B = aandZi OX Ans. (1) ^i^; (2) ^^^: (3) -•v/ 32^ 32^ 2 find the above areas. Ans. m… … A E B Fig. 106. — Unit for figure llOa. A tileof this shape is on the market.
Geometry · Decoration and ornament
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