Tam giác ABC, DE//BC (D thuộc AB, E thuộc AC) thì:
Hình 8 - Định lí Ta-lét

Quiz
•
Mathematics
•
8th Grade
•
Hard
Nguyễn Hoàng Anh
Used 54+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho hình vẽ, biết DE//BC. Thì ta có:
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Độ dài x trong hình bên là:
2,5
3
3,2
3,5
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Trong hình vẽ, biết MN // BC , biết AM = 2 cm, MB = 3cm BC = 6,5 cm. Khi đó độ dài cạnh MN là:
2,6
1,5
3,5
5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hai đoạn thẳng AB = 2cm, CD = 7cm. Tỉ số của hai đoạn thẳng AB và CD là:
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho tam giác ABC. Biết DE // BC (D nằm trên AB, E nằm trên AC), . Tính tỉ số .
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Cho tam giác ABC vuông tại A. Biết DE vuông góc với AC (D nằm trên BC, E nằm trên AC), BD = 3,5cm, CD = 5cm, CE = 4cm. Tính độ dài cạnh AC.
AC = 5,3cm
AC = 6cm
AC = 8cm
AC = 6,8cm
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