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 75
UtlUKEM. In the same circle^ or in equal circles^ if two angles at thecentre have to each other the ratio of two ichole numbers^the intercepted arcs will have to each other the same ratio:or, ice shall have the angle to the angle^ as the corresjpond-ing arc to the corresponding arc. Suppose, for… … times in DCE. The seven partial angles A Cm, mCn, nCp^&c., into which ACB is divided, are each equal to any ofthe four partial angles into which DCE is di^dded; andeach of the partial arcs. Am, mn, np, &;c., is equal to eachof the partial arcs Dx, xy, &;c. (p. 15). Therefore, the…
Geometry · Trigonometry
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