
2.28IG1
Authored by 泽昕 王
Mathematics
7th Grade
Used 2+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列说法中,正确的是
在同一平面内,过一点有无数条直线与已知直线垂直
两直线相交,对顶角互补
垂线段最短
直线外一点到这条直线的垂线段叫做点到直线的距离
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
如图,CA⊥BE于点A,AD⊥BF于点D,则下列说法中正确的是
∠α的余角只有∠B
∠α的补角是∠DAC
∠α与∠ACF互补
∠α与∠ACF互余
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列说法正确的有( )
(1)两条直线相交成四个角,如果有两个角相等,那么这两条直线垂直;
(2)互为邻补角的角平分线互相垂直;
(3)同一平面内,过一点有且只有一条直线与已知直线垂直;
(4)直线外一点到这条直线的垂线的长叫做这点到这条直线的距离.
1个
2个
3个
4个
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
如图,下列判断错误的是
∠1和∠2是同旁内角
∠3和∠4是内错角
∠7和∠6是邻补角
∠5和∠8是同位角
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
如图,直线a,b被直线c所截,下列条件中,不能判定a∥b的是
∠2=∠5
∠1=∠3
∠5=∠4
∠1+∠5=180°
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列命题:
①不相交的两条直线是平行线;
②同旁内角互补;
③同位角相等,两直线平行;
④过一点有且只有一条直线与已知直线垂直;
⑤在同一平面内,若a⊥b,b⊥c,则a⊥c.
其中,真命题的个数是
4个
3个
2个
1个
7.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
拼写单词:同位角
(a)
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