Antiparalelogram

În geometrie, un antiparalelogram[1] este un tip de patrulater autointersectat. La fel ca un paralelogram, un antiparalelogram are două perechi opuse de laturi de lungime egală, iar laturile din perechea mai lungă se intersectează ca într-un mecanism de foarfece.[2][3]

Note

„antiparalelogram” la DEX online
Demaine, Erik; O'Rourke, Joseph (2007), Geometric Folding Algorithms, Cambridge University Press, pp. 32–33, ISBN 978-0-521-71522-5.
Bryant, John; Sangwin, Christopher J. (2008), „3.3 The Crossed Parallelogram”, How round is your circle? Where Engineering and Mathematics Meet, Princeton University Press, pp. 54–56, ISBN 978-0-691-13118-4.

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[1] „antiparalelogram” la DEX online

[gfa-2] Demaine, Erik; O'Rourke, Joseph (2007), Geometric Folding Algorithms, Cambridge University Press, pp. 32–33, ISBN 978-0-521-71522-5.

[round-3] Bryant, John; Sangwin, Christopher J. (2008), „3.3 The Crossed Parallelogram”, How round is your circle? Where Engineering and Mathematics Meet, Princeton University Press, pp. 54–56, ISBN 978-0-691-13118-4.