
等腰三角形
Authored by Erfu Liu
Mathematics
8th Grade
Used 5+ times

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11 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
一边长为3,另一边长为6的等腰三角形的周长是( )
12
15
12,15
9
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
等腰三角形的底角为65°,则它的顶角为( )
40°
50°
60°
80°
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
等腰三角形的一个外角是60°,则它的顶角的度数是______
90
100
110
120
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
如图,△ABC中,AB=AC.
(1)当∠B=70°时,∠A=________
20
30
40
50
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
如图,△ABC中,AB=AC.
当∠A=20°时,∠B=________.
60
70
80
90
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
如图,在△ABC中,AB=AD=DC,∠C=36°,求∠B的度数.
36
72
18
90
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在△ABC中,AC=BC,CD为AB边上的高,∠ACB=92°,则∠ACD的度数为( )
45
46
50
60
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