
三角形来咯

Quiz
•
Mathematics
•
7th Grade
•
Medium

Melody Meng
Used 6+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
三角形三条中线的交点叫作_____
内心
垂心
重心
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列四个图中,正确画出△ABC中BC边上的高是( )
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列各组线段能组成一个三角形的是( )
2cm、2cm、4cm
1cm、2cm、4cm
4cm、7cm、11cm
5cm、8cm、12cm
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
已知三角形的三边长分别为2、x、10,则x的值可能是( )
6
8
10
12
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
下列说法错误的是( )
有一个内角是直角的三角形是直角三角形
一个三角形只能有一个内角是钝角
对顶角相等
有两个内角是锐角的三角形是锐角三角形
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
△ABC中,如果∠A+∠B=∠C,那么△ABC形状是( )
锐角三角形
直角三角形
钝角三角形
不能确定
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
若三角形三个内角度数比为2:3:4,则这个三角形一定是( )
锐角三角形
直角三角形
钝角三角形
不能确定
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