Góc ở tâm. Số đo cung
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Medium
Thu Ha Nguyen
Used 80+ times
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16 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Góc nào dưới đây là góc ở tâm?
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho đường tròn tâm O. Khẳng định nào sau đây là đúng?
Góc AOB chắn cung OB
Góc AOB chắn cung nhỏ AB
Góc OAB là góc ở tâm
Số đo góc AOB nhỏ hơn số đo cung AB
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Đoạn màu đỏ trong hình được gọi là gì?
Đoạn thẳng AB
Dây AB
Đường thẳng AB
Cung AB
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Số đo của cung CB là bao nhiêu?
3600
25,90
51,80
Bao nhiêu cũng được
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Số đo của cung AB là bao nhiêu?
900
1800
450
3600
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Góc AOB còn được gọi là góc gì?
(chọn câu trả lời sai)
Góc ở tâm
Góc bẹt
Góc chắn nửa đường tròn
Góc thẳng
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Góc COD bằng bao nhiêu độ?
1350
3600
900
2700
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