Hart, C. A. (Clara Avis), b. 1863, Feldman, Daniel D., b. 1872 · New York, American Book Co · leaf 49
Proof Aboumbnt 1. ABsbBC ajid CA = BO. 2. .\AB = BC^OA. 3. /. A .4^(7 is equilateral Q.E.D. Reasons L All radii of the same circle are equal. § 120.2. Things equal to the same thing are equal to each other. § 54, 1.S A A having its three sides equal is equilateral. § 95. IIL Discussion This… … Given vertex A, side AB, and Z CDE. To construct an Z equal to Z CDE and having A as vertexand AB as side. I. Construction 1. With D as center, and with any convenient radius, de-scribe an arc intersecting the sides of Z D at i^ and G, respec-tively. 2. With A as center, and with the same radius,…
Geometry, Plane · Geometry, Solid
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