Viết tỉ số cặp đoạn thẳng có độ dài như sau: AB = 4dm, CD = 20 dm
ĐỊNH LÝ TA-LET

Quiz
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Mathematics
•
8th Grade
•
Hard
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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Viết tỉ số cặp đoạn thẳng có độ dài như sau: AB = 12cm, CD = 10 cm
G
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Cho hình vẽ, trong đó DE // BC, AD = 12, DB = 18, CE = 30. Độ dài AC bằng:
20
50
45
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Cho hình vẽ, trong đó DE // BC, AE = 12, DB = 18, CA = 36. Độ dài AB bằng:
30
36
25
27
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Cho M thuộc đoạn thẳng AB thỏa mãn
thì tỉ số
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Cho hình vẽ, trong đó AB // CD và DE = EC. Trong các khẳng định sau, khẳng định nào sai?
AK = KB
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Chọn câu trả lời đúng. Cho hình bên, biết DE // AC, tìm x:
x = 6,5
x = 6,25
x = 5
x = 8
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