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等腰三角形性質

Authored by Charlie Chiang

Mathematics

9th Grade

Used 3+ times

等腰三角形性質
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 ΔABC\Delta ABC  中, C=90°\angle C=90\degree   ,  A\angle A   是  B\angle B   的兩倍,則 B=\angle B=_{ }  ____________ °\degree  

30

60

90

45

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

已知等腰三角形頂角的外角是50 \degree  ,則兩底角的度數為__________ \degree  

50

25

130

65

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

等腰三角形一腰上的高與底邊的夾角是37 °\degree  ,則頂角的度數為________ \degree 

53

106

74

64

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

腰長相等,頂角相等的兩個等腰三角形全等。

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

等腰三角形的底角一定是銳角

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

等腰三角形的高、中線、角平分線互相重合。

7.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

如果等腰三角形的一個底角等於65度,那麼它的頂角等於_____度

50

57.5

60

45

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