Punti Segmenti Rette

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Punto generico

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Punti appartenenti ai piani principali

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Segmento ortogonale al piano orizzontale

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Segmento ortogonale al piano verticale

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Segmento parallelo  al piano orizzontale e inclinato rispetto ai piani verticale e laterale

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Segmento parallelo  al piano verticale e inclinato rispetto ai piani orizzontale e laterale

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Segmento genericamente inclinato e determinazione della misura reale

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Retta generica con le tracce su PO e PV

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Rette incidenti