
相似三角形(1)
Authored by karen wong
Mathematics
6th - 8th Grade
Used 5+ times

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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?
是
否
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?
是
否
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
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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