Elements of geometry for the use of schools (1854)
Ireland. Board of National Education · Dublin : A. Thom · leaf 33
o the proposed triangle ABC. Thisis evident; for since the sides D F, E F, whichmeet at the point E, are equal, respectively,to the sides AC, B C, which meet at thepoint C, and since the base D E has beenmade equal to A B, it is impossible that theposition of the lines DF, and EF on DEshould be… … / / 24 ELEMENTS OF GEOMETRY. j\n angle isthe inclina-tion of oneline towardsr:notlier. XXVII. If only two of the three sides of the triangleABC could be measured, for instance, A B,B C, it is clear that this would not be enoughto construct another triangle equal and similarto ABC. For though we…
Geometry
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