Решение прямоугольных треугольников
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Medium
Valentina Bugakova
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22 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
В прямоугольном треугольнике известен катет угол β= 29° 35' . Найти угол α.
51 ° 30´
60° 25´
31º 25´
60 °65´
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
sin β = 1/2. Найдите β
450
300
600
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Это sin β. Найдите β
450
300
600
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Это cos β. Найдите β
450
300
600
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Это sin β. Найдите β
450
300
600
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Найди в прямоугольном треугольнике угол β, если a=1, с=2
60°
30°
90°
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Найдите острый угол прямоугольного треугольника, если другой острый угол равен 49°.
31°
49°
41°
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