Geometria pura elementare, per S. Pincherle.

Le linee proporzionali. 99 Infatti unendo DC, BE i triangoli BAE, DAC sono simili (1) come aventi langolo 4 cornune (oppure opposto al vertice) e BED BCD perche nel medesirno segmento (2); onde i lati corrispondenti saranno in proporzione, e AB: ADzAE: AC, c. d. d. TEOREMA 2. Se in un cerhlio si condulono una tan A C Fi'. 78. gente AD ed una secante ABC, la tangente e media proporzionale frn l'intera secante AC, e la parte esterna AH. (1) ~ XII, teor. 3. (2) ~ X, teor. 3.

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Title
Geometria pura elementare, per S. Pincherle.
Author
Pincherle, Salvatore, 1853-1936.
Canvas
Page 92
Publication
Milano,: U. Hoepli,
1895.
Subject terms
Geometry

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https://name.umdl.umich.edu/acv2273.0001.001
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"Geometria pura elementare, per S. Pincherle." In the digital collection University of Michigan Historical Math Collection. https://name.umdl.umich.edu/acv2273.0001.001. University of Michigan Library Digital Collections. Accessed April 30, 2025.
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