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翰林國中數學2下CH3-5-三角形的邊角關係

Authored by 翰林數學 翰林數學

Mathematics

8th Grade

Used 25+ times

翰林國中數學2下CH3-5-三角形的邊角關係
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10 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

 ΔABC\Delta ABC 中, AB\overline{AB} =4, BC\overline{BC} =7,則下列何者正確?

 CA\overline{CA} 必為△ABC中最長的邊 

 B\angle B 是△ABC中最大的內角

 AB\overline{AB} 必為△ABC中最短的邊

3< CA\overline{CA} <11

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

在△ABC 中,∠A=∠B=45°,則△ABC的哪一邊最長?

AB\overline{AB}

BC\overline{BC}

AC\overline{AC}

無法判定

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

ABC中,∠A=50°,∠B=70°,則△ABC中哪一個邊長最短?

AB\overline{AB}

BC\overline{BC}

CA\overline{CA}

不一定

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

△ABC中,∠A=56°,∠B=66°,下列敘述何者正確?

AB<BC\overline{AB}<\overline{BC}

AC<BC\overline{AC}<\overline{BC}

AB<AC\overline{AB}<\overline{AC}

AC<AB\overline{AC}<\overline{AB}

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

△ABC中, AB\overline{AB}  BC\overline{BC}  AC\overline{AC} 的長度分別是7公分、9公分、11公分,下列敘述何者正確? 

∠A>∠B

∠C>∠B

∠A>∠C

無法判別

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

四根吸管長度分別是2公分、3公分、4公分、5公分,則拿掉哪一根吸管後,剩下的三根吸管不能拼成一個三角形?

2公分

3公分

4公分

5公分

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

下列各組長度中,何者不可以作為三角形的三邊長?

4、6、7

5、6、10

4、6、10

4、7、10

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