Geometria pura elementare, per S. Pincherle.

II piano e la linea retta. 143 onde per eguaglianza AB:ab =BC: be ed i poligoni avendo i lati proporzionali e gli angoli eguali, sono simili. b) Si tirino le BH, bh. I triangoli SBH, Sbh sono simili come rettangoli in H, h, ed aventi 1'angolo in S comune; per cui SB: Sb -SH: Sh; ma si ha pure SB:Sb AB:ab onde AB: ab- H: Sh ed i lati omologhi dei poligoni stanno fra loro come le altezze SHT ed sh. TEOREMA 2. Se in due piramidi SABC, S'A'B'C' aventi A -s so A --- —- C A B '.... ig. B' Fig. 108. eguali basi ABC, A'B'C' ed eguali altezze S —LS'fH' si fanno sezioni abe, a'b'c' a distanze eguali 6dai vertici, Sh-S'h', le sezioni sono pure eguali.

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Title
Geometria pura elementare, per S. Pincherle.
Author
Pincherle, Salvatore, 1853-1936.
Canvas
Page 132
Publication
Milano,: U. Hoepli,
1895.
Subject terms
Geometry

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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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