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相似三角形

Authored by karen wong

Mathematics

6th - 8th Grade

Used 9+ times

相似三角形
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6 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 2 pts

兩個相似多邊形的周長之比為1:4,則它們的面積之比為(  )。

1:2

1:4

1:8

1:16

2.

MULTIPLE CHOICE QUESTION

20 sec • 2 pts

下列選項中的兩個圖形一定相似的是(  )。

兩個等腰三角形

兩個矩形

兩個菱形

兩個正方形

3.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Media Image

Media Image
Media Image
Media Image
Media Image

4.

MULTIPLE CHOICE QUESTION

20 sec • 2 pts

如果兩個三角形相似且相似比9:16,那麼這兩個三角形對應邊上的高的比是(  )。

81:256

9:16

3:4

16:9

5.

MULTIPLE CHOICE QUESTION

45 sec • 2 pts

如圖,已知△ADE和△ABC的相似比是1:2,且△ADE的面積為2,則四邊形DBCE的面積是(  )

6

8

4

2

6.

MULTIPLE CHOICE QUESTION

20 sec • 2 pts

已知△ABC∽△DEF,面積比為4:9,則△ABC與△DEF的對應中線之比為(  )。

4:9

9:4

2:3

3:2

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