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
A E B Fig. 106. — Unit for figure llOa. A tileof this shape is on the market. … Fig. 106a. — From the A.hambra.Jones (3), Vol. II, PI. 9. EXERCISES131. 1. Show that Fig. 106 is based on Fig. 104. 2. If AM = 2 MX and NM is extended to meet AB at L, provethat LK is parallel to AX. Suggestion. — Since NE = \ HE and MN is parallel to AE,LA = \HA. Since LA = \HA and KX = \ HX, LK…
Geometry · Decoration and ornament
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