
теорема косинусов

Quiz
•
Mathematics
•
9th Grade
•
Hard
Used 42+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Укажите какой теоремой нужно воспользоваться, чтобы найти сторону треугольника, зная две другие стороны и угол между ними
Теорема Пифагора
Теорема синусов
Теорема косинусов
Теорема Фалеса
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
По какой из формул можно найти сторону х?
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Площадь треугольника равна
84
63
56
147
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Чему равна градусная мера угла В?
60
нет верного варианта
30
120
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Площадь треугольника равна 56, а произведение длин трех его сторон равно 168. Найдите радиус описанной около него окружности.
3
0,5
1
0,75
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