Углы в пространстве.
Authored by Елена Макарова
Mathematics
10th Grade
Used 8+ times
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5 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 2 pts
Наклонные АВ и АС образуют с плоскостью углы в 45о, угол ВАС равен 60о. Точка А отстоит от плоскости на 2√2. Найдите отрезок ВС.
4
2
8
нет верного
2.
MULTIPLE CHOICE QUESTION
5 mins • 2 pts
Угол между прямой и плоскостью 45о. Найдите проекцию, если длина наклонной 6√2.
12
6
8
нет верного
3.
MULTIPLE CHOICE QUESTION
5 mins • 2 pts
В кубе ABCD…D1 найти угол между плоскостями (АВС) и (CDA1).
450
600
300
нет верного
4.
MULTIPLE CHOICE QUESTION
5 mins • 2 pts
По рисунку найти ВС, если синус двугранного угла равен 0,6.
6
3,6
7,2
нет верного
5.
MULTIPLE CHOICE QUESTION
5 mins • 2 pts
На рисунке МН=НА. Чему равен угол между плоскостями?
300
600
900
нет верного
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