1-2比例線段測驗二

1-2比例線段測驗二

8th Grade

10 Qs

quiz-placeholder

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1-2比例線段測驗二

1-2比例線段測驗二

Assessment

Quiz

Other, Mathematics

8th Grade

Practice Problem

Medium

Created by

許逸菁 許逸菁

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

 ΔABC\Delta ABC 中,D在AC上,且AD=4,CD=2,

 ΔABD\Delta ABD  面積: ΔABC\Delta ABC  面積=?

2:3

1:2

2:1

3:5

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

如圖,已知L1// L2,且四邊形ABCD為平行四邊形,若AE=7,BC=5,四邊形ABCD面積為40,則        ΔCDE\Delta CDE  面積為多少?

28

48

64

96

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

 如右圖,  ΔABC\Delta ABC  中,已知DE// BC,求DE:BC=?

 

AD:AC

 AD:BD

 AE:AC

AB:AC

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

  如圖, ΔABC\Delta ABC  中,DE//FG//BC,且AD:DF:FB

=2:3:4,求DE:FG:BC=?

2:3:4

2:5:9

2:5:8

3:4:5

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

 ΔABC\Delta ABC  中,DE//BC,且AD:BD=2:3,若BC=10,AE=6,求AC=?

6

9

12

15

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

 ΔABC\Delta ABC  中,DE//BC,已知AD=x+4,BD=3x-3,AE=6,

CE=8,則x=?

5

6

7

8

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

如圖,已知L1//L2//L3,且AB=12BC=8DF=25,則DE=

5

10

15

20

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