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 188
. Prove that points X, S, and Y are collinear. 6. If AB = a, find the length of OX and XS. Ans. (1)^(2-^/2)■, (2)^(V2-1). 7. If AB = a, find the area of the following figures: (a) thequadrifoil PQRSTU etc.; (6) the quadrifoil KELFM etc.; (c) thespace between the boundaries of the two quadrifoils.… … \ /^. A J m w f :. ; ■ -=^ 1 ( ■..~-y X ^ I ~ \ ~/ X. \A ^^G ^ T w^ 7 y L^ ■^ _^ _-_L_ \ Fig. 1520.—Tiled Floor Design.Scale i in. = I ft. EXERCISES186. 1. Give construction for Fig. 152. 2. Prove that the figures OGCF and OFBEK are congruent. 3. If OB = r, find the area of the following figures:…
Geometry · Decoration and ornament
Internet Archive · Cornell University Library · Public Domain Mark 1.0. Free to use for anything.
