Тригонометрия в прямоугольном треугольнике. Высота к гипотенузе.
Quiz
•
Mathematics
•
11th Grade
•
Practice Problem
•
Hard
Ольга Чубарцева
Used 4+ times
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
В треугольнике АВС угол С' равен 90°, СН - высота, ВС = 20, ВН = 16. Найдите sin A.
0,5
0,6
0,8
0,9
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
В треугольнике АВС угол С равен 90°, СН - высота, ВС = 25, ВН = 24. Найдите соsА.
0,28
0,3
0,21
0,23
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
В треугольнике АВС угол С равен 90°, СН - высота, ВС = √41, ВН = 4. Найдите tg А.
0,5
0,8
0,6
0,75
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Найдите CH.
25
28
24
30
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
В треугольнике АВС угол С равен 90°, СН - высота, ВС = 25, СН = 15. Найдите sin A.
0,6
0,8
0,5
0,3
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
В треугольнике АВС угол С равен 90°, высота С Н равна 4, ВС = 2√5. Найдите tg А.
0,75
0,5
2
1
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
В треугольнике АВС угол С равен 90°, высота СН равна 15, ВН = 20. Найдите cos A.
0,6
0,8
0,5
0,3
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