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11.1與三角形有關的線段

Authored by Melody ho

Mathematics

8th Grade

Used 2+ times

11.1與三角形有關的線段
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6 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 15 pts

下列每組數分別是三根木棒的長度,能用他們擺成三角形的是( )

3cm,4cm,8cm

8cm,7cm,15cm

5cm,6cm,11cm

13cm,12cm,20cm

2.

MULTIPLE CHOICE QUESTION

30 sec • 15 pts

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如圖所示的圖形中,三角形的個數共有( )

1個

2個

3個

4個

3.

MULTIPLE CHOICE QUESTION

30 sec • 15 pts

Media Image

為估計池塘兩岸A、B間的距離,小美在池塘一側選取了一點P,測得PA=16m,PB=12m,那麼AB間的距離不可能是( )

5m

15m

20m

28m

4.

MULTIPLE CHOICE QUESTION

30 sec • 15 pts

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如圖,一扇窗戶打開後,用窗鈎AB可將其固定,這裡所運用的幾何原理是( )

三角形的穩定性

兩點之間線段最短

兩點確定一條直線

垂線段最短

5.

FILL IN THE BLANK QUESTION

1 min • 20 pts

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6.

MULTIPLE CHOICE QUESTION

30 sec • 20 pts

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