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相似三角形(1)

Authored by karen wong

Mathematics

6th - 8th Grade

Used 5+ times

相似三角形(1)
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6 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

在比例尺為1:2000 的地圖上測得AB 兩地間的圖上距離為5cm,則AB 兩

地間的實際距離為 ( )。

A. 1m

B. 10m

C. 100m

D. 1000m

2.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

兩個三角形的邊長分別是1m, 2m , 4m ;10 m, 20m , 40m ,這兩個三角

形______(是/否)相似?

3.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

兩個三角形的邊長分別是10m, 20m , 40m ;5 m, 10m , 30m ,這兩個三角

形______(是/否)相似?

4.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

如果兩個相似多邊形面積之比為9:16,則它們的邊長之比為 ______。

3:4

4:3

9:16

16:9

5.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Media Image

如圖,△ABO∽△CDO,若BO=10,DO=5,CD=4,

則AB的長是 ______。

8

10

6

9

6.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

如果兩個相似三角形的相似比是4:3,其中較大的三角形面積是32平方厘米,

那麼另一個三角形的面積是 平方厘米。

32

18

28

38

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