Davies, Charles, 1798-1876 · New York and Chicago, A. S. Barnes and company · leaf 24
OK 2B Of Triangles Scholium 2. Generally,—If the demonstration is based onknown principles, previously proved, or admitted in the ax-ioms, the conclusion will always be true. But, if the demon-stration is based on an hypothesis, (as in the last theorem, thaiAC was the greater side), and the… … THEOREM VIII.If two triangles have the three sides of the one cqval to t/tf.three sides of the other, each to each, the three angles will aim beequal, each to each. Let the two triangles ABC, ABD,have the side AB equal to the side AB,the side A C equal to AD, and the sideCB equal to DB: then will…
Geometry · Plane trigonometry
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