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 248
apexof the arch GEH. Suggestion. —Draw GO and KG. Prove that the line GO passesthrough the point of contact and that A GOK is equilateral. SinceZEGH = 60°, line EG falls on OG. FORMS CONTAINING TANGENT CIRCLES 235 4. If ^fi = 8, find the area of the curved figures: (a) AHEF;(b) AGEA;…
Geometry · Decoration and ornament
Internet Archive · Cornell University Library · Public Domain Mark 1.0. Free to use for anything.
