
Toán 8 | ÔN THI GIỮA KÌ 2 | ĐỀ 3 (HÌNH)

Quiz
•
Mathematics
•
8th Grade
•
Medium
Vinh Sư Phụ
Used 2+ times
FREE Resource
10 questions
Show all answers
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chỉ ra câu sai?
tg ABC = tg A'B'C' suy ra tg ABC đồng dạng tg A'B'C'
tg ABC = tg A'B'C' suy ra diện tích tg ABC = diện tích tg A'B'C'
AB/A'B' = BC/B'C' suy ra tg ABC đồng dạng tam giác A'B'C'
góc A = góc A' ; góc B = góc B' suy ra tg tg A'B'C'
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chỉ ra 1 tỉ số sai nếu áp dụng định lý Talet, biết ABCD là hình bình hành:
LC/LB = LK/LA
IB/IK = IA/ID
IB/ID = IA/IK
KA/KL = KD/KC
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho hai tam giác MNP và QRS đồng dạng với nhau theo tỉ số k. Tỷ số diện tích của 2 tam giác MNP và QRS là:
k
1/k
k2
2k
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
HG/MN = 7/2
NP/GK = 5/7
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho ΔABC và ΔXYZ đồng dạng. Đỉnh A tương ứng với đỉnh X, đỉnh B tương ứng với đỉnh Y. Biết AB = 3, BC = 4 và XY = 5. Tính YZ?
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1/3
1/4
1/8
1
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