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數學課後班(三角形)

Authored by trista ng

Mathematics

4th Grade

Used 2+ times

數學課後班(三角形)
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13 questions

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1.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

等邊三角形的每個內角是(  )°,按角分類屬於(  )三角形。(答案填寫方式:XX/XX)

(a)  

2.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

一個三角形的兩個內角分別是35°和65°,第三個角是(  )°。

(a)  

3.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

等腰三角形的一個底角是40°,頂角是(  )°。

(a)  

4.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

等腰三角形的一個頂角是40°,每個底角是(  )°。

(a)  

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

三角形的兩條邊分別是6cm和10cm,第三邊最長要小於(  )cm,最短要大於(  )cm。

5,15

15,5

16,4

4,16

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

用2cm、3cm、4cm、5cm的四根木條選三根圍成三角形,能組成(  )種不同的三角形。

3

4

5

6

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

下列哪組線段不能組成三角形?

3cm,4cm,5cm

2cm,2cm,3cm

1cm,2cm,3cm  

5cm,5cm,5cm

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