
一段 相似形複習
Authored by 陳 嘉卿
Mathematics
9th Grade
Used 6+ times

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19 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
任意四邊形ABCD中,E、F、G、H為各邊中點,則四邊形EFGH一定是什麼圖形?
平行四邊形
梯形
菱形
長方形
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
兩個三角形中沒有下列哪一種相似性質?
SSS
SAS
SSA
AA
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
若小明的身高為160公分,在清晨時測得他被太陽照出的影子長為200公分,同一時刻,身旁的樹影長是5公尺,則這棵樹的高度為多少公尺?
4
3
25/4
5/4
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
四個圖形中,哪一個不是彼此的相似形?
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
一五邊形的五邊長為4、8、6、7、5,將此五邊形縮放後和原圖形邊長5對應的新圖形邊長為7,則縮放後的五邊形周長為何?
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
已知△ACD的面積為12,且 BD : CD =3:4,則
△ABC 的面積為何?
24
21
20
18
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
在△ABC中,D、E分別在 AB 、 AC 上,且 AD =6, AB =15,則再加上以下哪一個條件後,可以推得 DE // BC ?
DE =4, BC =6
DE =4, BC =10
AE =4, CE =8
AE =4, CE =10
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