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 236
oximate length of DH. Ans. 4.107. FORMS CONTAINING TANGENT CIRCLES 223 4. li AB = s, DH = h, and A<-, find the radius of circle 0. Ans. 3 s^ - 4 h^8{s - h) ■ Suggestion. — In A OBD, OB = s - r, BD = -, OD = r - h.Solve the equation (s — ry = — +(r — hy. 5. If AB = s, DH = h, and A >^, find… … 244. In Fig. 201 the line AB is given,and the arcs CAE and CBE are drawn withpoints B and A as centers and the arcs ADBand AHB with points E and C as centers,respectively. Fig. 201. — From First PresbyterianChurch, Fort Wayne, Indiana, 224 GOTHIC TRACERY: POINTED FORMS EXERCISES 1. Construct circle…
Geometry · Decoration and ornament
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