这是哪种三角形

数学32

Quiz
•
Mathematics
•
4th Grade
•
Hard
lam SUN
Used 4+ times
FREE Resource
25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
isosceles
scalene
equilateral
2.
FILL IN THE BLANK QUESTION
1 min • 1 pt
一个等腰三角形两条边的长度分别是3厘米,6厘米,这个等腰三角形的周长是( )厘米。
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
有一个角是50度的等腰三角形,一定是( )
直角三角形
锐角三角形
钝角三角形
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下面各组线段中,可以围成一个三角形的是( )。
5厘米、8厘米、7厘米
3厘米、6厘米、2厘米
4厘米、4厘米、8厘米
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
把一个大三角形分成两个小三角形,每个小三角形的内角和是( )度。
90
180
360
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
一个三角形既是等腰三角形,又是锐角三角形,其中一个角是40°,剩下的两个角是
40°和100°
90°和50°
70°和70°
60°和80°
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
如果一个等腰三角形中,有两条边的长度分别是3厘米和7厘米,那么这个等腰三角形的周长是( )厘米。
13
17
16
13和17
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