Legendre, A. M. (Adrien Marie), 1752-1833, Brewster, David, Sir, 1781-1868, Davies, Charles, 1798-1876 · New York, Wiley & Long · leaf 111
h other at right angles : jointheir extremities A, B, C, 1): the figureAB(JD will be a square. For the an-gles AOB, BOC, &c. being equal, the Achords AB, BC, 6lc. are also equal :and the angles ABC, BCD, &c. beingin semicircles, are right angles. SchoJiujn. Since the triangle BCO is riglit… … In a given circh, to inscribe a regular hexagon and an equilate-ral trianffle. 112 GEOMETRY.
Trigonometry · Geometry
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