diedar, definicija, osnovni elementi
DESCRIPTION
TRANSCRIPT
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ДИЕДАР
Просторни угао
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Полураван
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Угао и диедар
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Дефиниција и елементи• Две полуравни са
заједничком граничном правом деле простор на два дела. Те две полуравни са тачкама једног од уочених делова простора чине диедар.
Ивица диедра
Стране диедра
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Угао диедра
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Два диедра су једнака ако имају исте углове.
Диедар чији је угао прав назива се ПРАВ ДИЕДАР.
ВАЖНО!!!
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Оштар диедар
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Задатак 3.
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Задатак 4.
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Задатак 5.