
相似三角形
Authored by karen wong
Mathematics
6th - 8th Grade
Used 9+ times

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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
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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