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Ôn tập giữa kì 1 toán 9

Authored by Mai Luong Hong

Mathematics

9th Grade

Used 90+ times

Ôn tập giữa kì 1 toán 9
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10 questions

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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

Media Image

2

-2,4

2,4

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

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

Media Image

AB2 = AC2 + CB2

AH2 = HB. BC

AB2 = BH. BC

Không câu nào đúng

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