Legendre, A. M. (Adrien Marie), 1752-1833, Brewster, David, Sir, 1781-1868, Davies, Charles, 1798-1876 · New York, Wiley & Long · leaf 98
AI.BD + CI.BD =^ (AI + CI).BD=AC.BD, we «hall have AD.BC + AB.CD=AC.Ba 113 M GEOMETRY. … PROBLEMS RELATING TO THE FOURTH BOOK. PROBLEM I. To divide a given straight line into any number of equal parts,or into parts proportional to given lines. First, Let it be proposed to divide the lineAB into five equal parts. Through the ex-tremity A, draw the indefinite straight lineAG ; and taking…
Trigonometry · Geometry
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