Elements of geometry and trigonometry. Revised and adapted to the course of mathematical instruction in the United States (1856)
Legendre, A. M. (Adrien Marie), 1752-1833, Davies, Charles, 1798-1876 · New York : A.S. Barnes · leaf 90
(d. 11); for, the side AB^ being perpen-dicular to the radius at its extremity, is a tangent (p. 9);and the same thing is true of the sides BC^ AC. Scholium. The three lines which bisect the three anglesof a triangle meet in the same point. PEOBLE^I XVL On a given straight line to describe a…
Geometry · Trigonometry
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