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九上3-2重心Q1

Authored by Enina Wang

Mathematics

6th - 8th Grade

Used 4+ times

九上3-2重心Q1
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8 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

∆的重心是由何種會交會而成?

中線

中垂線

角平分線

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

ABC的三中線 AD 、 BE 、 CF 相交於G點,若 AD =15、 BE =12、 CF =18,求AG多少?

15

10

5

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

ABC的三中線 AD 、 BE 、 CF 相交於G點,若 AD =12、 BE =9、 CF =15,請問GD+GE=??

7

14

9

8

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

ABC的三中線 AD 、 BE 、 CF 相交於G點,若 AD =30、 BE =45、 CF =57,請問GF+AG=??

25

29

39

34

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

如圖,△ABC的三中線 AD 、 BE 、 CF 相交於G點,若AG=10、BG=8、CG=12,請問GD=??

15

5

12

6

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

ABC中,G為其重心,已知ABC的面積為30,請問△BDG??

30

10

15

5

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

如圖,△ABCG為其重心,則△AGB占△ABC的幾分之幾??

1

1/6

1/3

1/12

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