Bài 12. Tiết 2. Hệ thức giữa hai CGV

Quiz
•
Mathematics
•
9th Grade
•
Medium
Lưu Hậu
Used 2+ times
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5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Câu 1. Cho hình vẽ. Hệ thức đúng là
b = c . tan C
b = a . tan B
c = b . tanC
c = b . cot C
2.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
1,4
1,5
0,7
0,5
3.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Câu 3. Trong tam giác vuông, mỗi cạnh góc vuông bằng
canh huyền nhân với tang góc đối.
cạnh góc vuông kia nhân với tang góc kề.
cạnh góc vuông kia nhân với tang góc đối.
cạnh huyền nhân với cootang góc kề.
4.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
5.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Câu 5. Tìm x trong hình vẽ dưới (làm tròn đến hàng phần mười của centimet).
2,4
2,41
2.5
2.05
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