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 257
Discuss the cases (1) 2 r = r, (2) r < r < 2 r, (3) r -.(4) r > 2 r, (5) r = r. ■ 2r THREE-LIGHT WINDOWS 266. In Fig. 222 the equilateral archACB and the curved triangles are con-structed as in § 226. The arches MPH andKQN are equilateral, constructed with \ ABas radius, so that their… … Fig. 222. FORMS CONTAINING TANGENT CIRCLES 245 EXERCISES 1. Show that the arc PM may be constructed by means of eitherof the following problems : (1) To construct a circle passing through a given point, of givenradius, and tangent to a given line. (2) To construct a circle passing through a given…
Geometry · Decoration and ornament
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