Ôn tập giữa kì 1 toán 9
9th Grade
•10 Qs
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Ôn tập giữa kì 1 toán 9
Quiz
•
Mathematics
•
9th Grade
•
Medium
Mai Luong Hong
Used 89+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
16
4
-4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5
-5
-25
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
17
13
169
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2
-2,4
2,4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
BC2 = AB2 + AC2
AH2 = HB. HC
AB2 = BH. BC
A, B, C đều đúng
Answer explanation
BC2 = AB2 + AC2
Suy ra Tam giác vuông theo định lí Py-ta-go đảo. Các phương án khác có được sau khi tam giác ABC đã vuông
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
AB2 = AC2 + CB2
AH2 = HB. BC
AB2 = BH. BC
Không câu nào đúng
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