Định lí cosin
10th Grade
•10 Qs
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Định lí cosin
Quiz
•
Education
•
10th Grade
•
Easy
Nguyễn Tân
Used 1+ times
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Đẳng thức nào sau đây đúng với mọi tam giác ABC?
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
1
2
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Cho tam giác ABC có AB = 5, BC = 7, CA = 8. Số đo góc A bằng
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Tam giác có ba cạnh lần lượt là 3, 8, 9. Góc lớn nhất của tam giác có cosin bằng bao nhiêu?
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Tam giác có ba cạnh lần lượt là 2, 3, 4. Góc nhỏ nhất của tam giác có sin bằng bao nhiêu?
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Khẳng định nào sau đây là sai?
7.
FILL IN THE BLANK QUESTION
45 sec • 1 pt
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