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 284
to the arcs CE and EQ and to the line CD, \i EP = s. Ans. -■ 4 Suggestion. — In A EHO, OH^ = OE^ + EH^. Let r be the radius of circle 0, and s = EH = EP. Since OH = s -^ r and OE = s — r, the equation becomes (s + ry = (s — r)^ + s^. TANGENT CIRCLES: ALGEBRAIC ANALYSIS 271 4. Show how to construct…
Geometry · Decoration and ornament
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