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.dsy:it. : Powered by vBulletin version 2.3.1 .dsy:it. > Didattica > Corsi G - M > Grafica e immagini digitali > [HELP] domanda sull'esercizio
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dc671228
.fedelissimo.

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 domanda sull'esercizio

Ciao a tutti

qualcuno sa come si trova il quarto vertice del quadrato?

Grazie
07-02-2006 18:28
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Vale
.illuminato.

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trasli il quadrato nell'origine lo ruoti e trovi il quarto punto...

Qualcuno ha idea di come si fa l'esercizio numero due?
07-02-2006 21:20
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Brk
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Aspetta, come dovrei trovare così il quarto vertice?
Non basta trovarlo ad intuizione e poi proseguire con le trasformazioni date?
07-02-2006 21:35
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dc671228
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in poche parole cosa devo fare per portarlo nell'origine e ruotarlo?
08-02-2006 07:37
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annaberolo
dsy developer

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ho calcolato il punto utilizzando le nozioni di geometria analitica

1 pendenza (coef angolare) y=mx + q
2 regola del parallelismo
3 punto di intersezione di due rette ( devi applicare un sistema)
08-02-2006 18:50
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black.jack
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bastano 2 semplici sottrazioni delle cordinate x e y, poi sommarle rispettivamente alle distanze dei punti.

Last edited by black.jack on 08-02-2006 at 23:57
08-02-2006 23:54
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dc671228
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Grazie mille
09-02-2006 12:41
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