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一段 相似形複習

Authored by 陳 嘉卿

Mathematics

9th Grade

Used 6+ times

一段 相似形複習
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19 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Media Image

任意四邊形ABCD中,EFGH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

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

Media Image

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?

30
32
40
42

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

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,DE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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