Wentworth, G. A. (George Albert), 1835-1906 · Boston, Ginn & company · leaf 356
snecessarily does lie between the two places. It will be foundthat if the two angles C and C (Figs. 25 and 26) are bothgreater than 90° or both less than 90°, the vertex will fallbetween the two places; otherwise it wrill not. The best practical method of finding the courses, distance,etc., of the…
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