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八下---三角形的邊角關係及平行

Authored by 范雪凌 范雪凌

Mathematics

8th Grade

Used 5+ times

八下---三角形的邊角關係及平行
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25 questions

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1.

MULTIPLE SELECT QUESTION

1 min • 1 pt

下列各組長度哪些可以圍成一個三角形?

3,5,8

3,3,7

6,7,8

2,3,4

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

若△ABC的三邊長為4、7、x,則x可能的整數值有幾個?

6

7

8

9

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

△ABC中,∠A:∠B:∠C=3:4:5,則下列敘述何者錯誤

線段AB為最大邊

線段BC為最小邊

△ABC為直角三角形

△ABC為銳角三角形

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

在△ABC中,若 AB、 BC、AC 的三邊長分別為5、6、7,則其三內角的關係為何?

∠A>∠B>∠C

∠B>∠C>∠A

∠C>∠A>∠B

∠B>∠A>∠C

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

△ABC中,∠A:∠B:∠C=3:4:5,則下列敘述何者錯誤

線段AB為最大邊

線段BC為最小邊

△ABC為直角三角形

△ABC為銳角三角形

6.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

Media Image

如圖,下列哪些可能為AC邊的長度?

6

10.5

15

17

19

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

如圖, BD\overline{BD}  將四邊形 ABCD分成兩個三角形,

則a、b、c、d的大小關係為何?

 a>b>c>d  

 b>c>a>d

 c>d>a>b

d>c>a>b

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