KHÁI NIỆM TAM GIÁC ĐỒNG DẠNG
Quiz
•
Mathematics
•
8th - 9th Grade
•
Practice Problem
•
Hard
Yen Hai
Used 54+ times
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12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tam giác DEF có góc D bằng 90 độ, góc F bằng 35 độ, DE = 6, DF = 8
Tam giác HGI có góc H bằng 90 độ, góc I bằng 35 độ, HG = 10,5; GI = 14
2.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Nếu một đường thẳng cắt hai cạnh của tam giác và ......... với cạnh còn lại thì nó tạo thành một tam giác mới đồng dạng với tam giác đã cho.
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Cho biết và AB = 7cm, MN = 1cm. Khi đó theo tỉ số đồng dạng là:
7
49
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
theo tỉ số đồng dạng là 6, biết AB = 18 cm. Khi đó, A'B' bằng
108 cm
4 cm
3 cm
24 cm
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mệnh đề nào sau đây là đúng:
a) Hai tam giác bằng nhau thì đồng dạng với nhau.
b) Hai tam giác đồng dạng với nhau thì bằng nhau.
Cả hai đều đúng
Cả hai đều sai
câu a đúng
câu b đúng
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
3,2
4
16
Một đáp án khác
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
5,88
16,33
3,675
13,72
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