Tổng hiệu của vecto, tích một số với một vecto

Quiz
•
Mathematics
•
10th Grade
•
Hard
hue phan
Used 68+ times
FREE Resource
16 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho hình chữ nhật ABCD, biết AB = 3a, AD = 4a. Tính độ dài vecto
7a
6a
5a
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho hình vuông ABCD cạnh a, tâm O. Khi đó: bằng
a
2a
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho 3 điểm A, B, C. Đẳng thức nào sau đây là sai?
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Cho tam giác với lần lượt là trung điểm của. Khẳng định nào sau đây sai ?
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho tam giác ABC vuông cân đỉnh A, đường cao AH. Khẳng định nào sau đây sai?
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho hình bình hành ABCD có O là giao điểm của hai đường chéo. Hỏi vectơ bằng vectơ nào trong các vectơ sau?
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho hình thoi ABCD có O là giao điểm của hai đường chéo, AC=2a và BD= a. Tính
3a
5a
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