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 121
polygons have their angles equal each to each,and their sides proj^ortional; consequently, they are similar. rEOrOSITION xxvii. theoeem. The ^;eri?7ie^£7S of similar polygons are to each other as theirhomologous sides: and the j^olygons are to each other as Uiesquaies described on tJiese sides. Let… … BOOK lY. 117 CD^ &c., T\-liicli makes up the perimeter of the first poly-gon, is to the sum of the consequents FG+GII-VIU^ &;c.,which makes up the perimeter of the second po]3gon, aaany one antecedent is to its consequent (i3. n., r. 10); thatis, as AB to FG^ or as any other two homologous…
Geometry · Trigonometry
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