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 69
th its diameters and diagonals. PointsK, L, M, and N are the middle points of HA, EB, FC, and GD, respectively.KX, LY, MZ, and NW are drawn from the points K, L, M, and N perpendic-ular to the diameters, and the points joined as indicated. EXERCISES 1. Prove that LP OX and KSOW are congruent… … /g^ ^w M M X u f s ^1 f Fig, 55a. — Parquet Flooring, Arabicand l\4edjeval, Bourgoin (S), Vol 7,III. PI. 6; Wyatt, PI. 12. 66. In Fig. 55 ABCD is a square with diameters and diagonals. EX = FY— GZ = HW, and the points are joined as indicated. EXERCISES 1. Prove that (1) XYZW is a square, (2) ABX…
Geometry · Decoration and ornament
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