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答案来源:www.ybaotk.com0775 中学几何研究
1.[单选题] 下列说法错误的是( )。
答案资料下载请参考
说明
A.三角形中大边所对的角较小。
B.三角形中大边所对的高线较小。
C.三角形中大边所对的角平分线较小。
D.三角形中大边所对的中线较小。
2.[单选题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/10/15/202010151602761321059053949.png" title="202010151602761321059053949.png" alt="图片.png"/>
A.10
B.8
C.6
D.12
3.[单选题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/10/15/202010151602766329677042599.png" title="202010151602766329677042599.png" alt="图片.png"/>
A.AP
B.AC
C.无
D.AB
4.[单选题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/10/15/202010151602766978152036298.png" title="202010151602766978152036298.png" alt="图片.png"/>
A.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/10/15/202010151602767059842090434.png" title="202010151602767059842090434.png" alt="图片.png"/>
B.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/10/15/202010151602767040791066781.png" title="202010151602767040791066781.png" alt="图片.png"/>
C.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/10/15/202010151602767008324046508.png" title="202010151602767008324046508.png" alt="图片.png"/>
D.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/10/15/202010151602767023270057826.png" title="202010151602767023270057826.png" alt="图片.png"/>
5.[单选题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/10/15/202010151602756093025030434.png" title="202010151602756093025030434.png" alt="图片.png"/>
A.60
B.45
C.7.5
D.30
6.[单选题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/10/15/202010151602756727395088997.png" title="202010151602756727395088997.png" alt="图片.png"/>
A.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/10/15/202010151602756758411068347.png" title="202010151602756758411068347.png" alt="图片.png"/>
B.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/10/15/202010151602756776672028762.png" title="202010151602756776672028762.png" alt="图片.png"/>
C.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/10/15/202010151602756812470069822.png" title="202010151602756812470069822.png" alt="图片.png"/>
D.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/10/15/202010151602756795725097105.png" title="202010151602756795725097105.png" alt="图片.png"/>
7.[单选题] 下列正多边形中不能用尺规作出的是( )
A.正五边形
B.正六边形
C.正方形
D.正七边形
8.[单选题] 下列结论不正确的是( )
A.等边三角形内心、外心、垂心、重心合一
B.两圆的内公切线互相垂直
C.角平分线上的点到两边的距离相等
D.中垂线上的点到两端点距离相等
9.[单选题] 下列图形中,没有外接圆的图形是( )
A.菱形
B.矩形
C.三角形
D.等腰梯形
10.[单选题] 到三角形三边距离相等的点是( )
A.重心
B.垂心
C.内心
D.外心
11.[单选题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/10/15/202010151602760132003017773.png" title="202010151602760132003017773.png" alt="图片.png"/>
A.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/10/15/202010151602760158625080492.png" title="202010151602760158625080492.png" alt="图片.png"/>
B.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/10/15/202010151602760196164024829.png" title="202010151602760196164024829.png" alt="图片.png"/>
q1647861640
答案
C.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/10/15/202010151602760219200018680.png" title="202010151602760219200018680.png" alt="图片.png"/>
D.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/10/15/202010151602760178224054913.png" title="202010151602760178224054913.png" alt="图片.png"/>
12.[单选题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/10/15/202010151602767739696089718.png" title="202010151602767739696089718.png" alt="图片.png"/>
A.6
B.4
C.3
D.5
13.[单选题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/10/15/202010151602761874432069939.png" title="202010151602761874432069939.png" alt="图片.png"/>
A.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/10/15/202010151602761898388046245.png" title="202010151602761898388046245.png" alt="图片.png"/>
B.以上均不正确
C.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/10/15/202010151602761914145046926.png" title="202010151602761914145046926.png" alt="图片.png"/>
D.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/10/15/202010151602761932055087156.png" title="202010151602761932055087156.png" alt="图片.png"/>
14.[判断题] 三角形的高线平分垂足三角形的内角。( )
A.正确
B.错误
15.[判断题] 用反证法证明就是证原命题的逆命题不成立。( )
A.正确
B.错误
16.[判断题] 已知一个三角形,能用尺规作出该三角形的内切圆和外接圆。( )
A.正确
B.错误
17.[判断题] 三角形的重心将三角形的面积三等分。( )
A.正确
B.错误
18.[判断题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/10/08/202010081602155683763015426.png" title="202010081602155683763015426.png" alt="图片.png"/>上一点,则<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/10/08/202010081602155734312019086.png" title="202010081602155734312019086.png" alt="图片.png"/>的值不能确定。( )
A.正确
B.错误
19.[判断题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/10/08/202010081602155089042000117.png" title="202010081602155089042000117.png" alt="图片.png"/>,则<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/10/08/202010081602155206457006509.png" title="202010081602155206457006509.png" alt="图片.png"/>为直角三角形。( )
A.正确
B.错误
20.[判断题] 在周长一定的平面n边形中,正n边形的面积最小。( )
A.正确
B.错误
21.[判断题] 一个三角形的三中点、三垂足,此六点必共圆。( )
A.正确
B.错误
22.[判断题] 平面内到两定点距离的平方差为常量的点的轨迹是一条直线。( )
A.正确
B.错误
23.[判断题] 平移变换不改变图形的合同性,结合性和顺序性。( )
A.正确
B.错误
24.[判断题] 两圆的内公切线等于外公切线。( )
A.正确
B.错误
25.[判断题] 三角形中大边所对的角较大。( )
A.正确
B.错误
26.[主观填空题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/10/18/202010181602991065435089271.png" title="202010181602991065435089271.png" alt="图片.png"/>
A.
27.[主观填空题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/10/17/202010171602927104963075433.png" title="202010171602927104963075433.png" alt="图片.png"/>
A.
28.[主观填空题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/10/18/202010181603023334875080176.png" title="202010181603023334875080176.png" alt="图片.png"/>
A.
29.[主观填空题] 平面内到两定点距离的平方和为常量的点的轨迹是一圆,该圆叫( )。
A.
30.[主观填空题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/18/202011181605687858701060064.png" title="202011181605687858701060064.png" alt="图片.png"/>
A.
31.[主观填空题] 命题P的逆命题的等价命题是P的( )命题。
A.
32.[主观填空题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/10/18/202010181602990357439081414.png" title="202010181602990357439081414.png" alt="图片.png"/>
A.
33.[主观填空题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/10/17/202010171602928064106078238.png" title="202010171602928064106078238.png" alt="图片.png"/>
A.
34.[主观填空题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/10/18/202010181603023751203072660.png" title="202010181603023751203072660.png" alt="图片.png"/>
A.
35.[主观填空题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/10/16/202010161602850220609074863.png" title="202010161602850220609074863.png" alt="图片.png"/>
A.
36.[主观填空题] 直角三角形的垂心为( )。
A.
37.[主观填空题] 若一个三角形的内心、外心、重心、垂心,四心合一,则此三角形为( )。
A.
38.[主观填空题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/10/18/202010181603024135467017637.png" title="202010181603024135467017637.png" alt="图片.png"/>
A.
39.[主观填空题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/10/18/202010181602989591756076361.png" title="202010181602989591756076361.png" alt="图片.png"/>
A.
40.[主观填空题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/10/16/202010161602847431010022092.png" title="202010161602847431010022092.png" alt="图片.png"/>
A.
41.[主观填空题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/11/01/202011011604202108038088046.png" title="202011011604202108038088046.png" alt="图片.png"/>
A.
42.[主观填空题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/10/18/202010181602990009136001746.png" title="202010181602990009136001746.png" alt="图片.png"/>
A.
43.[主观填空题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/10/18/202010181603024355066045903.png" title="202010181603024355066045903.png" alt="图片.png"/>
A.
44.[主观填空题] 若三角形的两角的角平分线相等,则此三角形为( )三角形。
A.
45.[主观填空题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/10/18/202010181602991424563012248.png" title="202010181602991424563012248.png" alt="图片.png"/>
A.
46.[主观填空题] “等腰三角形的两底角相等”的否命题是( )。
A.
47.[主观填空题] 顺次连接等腰梯形四边中点所得的四边形是( )。
A.
48.[主观填空题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/10/16/202010161602847982468048980.png" title="202010161602847982468048980.png" alt="图片.png"/>
A.
49.[主观填空题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/10/16/202010161602851276487053732.png" title="202010161602851276487053732.png" alt="图片.png"/>
A.
50.[主观填空题] 菱形的两条对角线长分别为6和8,则菱形的边长为( )。
A.
51.[主观填空题] 如果一个三角形两边上的高交点在三角形外部,则该三角形是( )三角形。
A.
52.[主观填空题] 三角形的三内角平分线共点于______。
A.
53.[主观填空题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/10/18/202010181602990718179036129.png" title="202010181602990718179036129.png" alt="图片.png"/>
A.
54.[主观填空题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/10/18/202010181603024781055091868.png" title="202010181603024781055091868.png" alt="图片.png"/>
A.
55.[问答题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/10/10/202010101602291959909098328.png" title="202010101602291959909098328.png" alt="图片.png"/>
<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/10/10/202010101602292054977038765.png" title="202010101602292054977038765.png" alt="图片.png"/>
A.
56.[问答题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/10/10/202010101602295151887095894.png" title="202010101602295151887095894.png" alt="图片.png"/>
<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/10/10/202010101602295173383024995.png" title="202010101602295173383024995.png" alt="图片.png"/>
A.
57.[问答题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/10/09/202010091602217835989011260.png" title="202010091602217835989011260.png" alt="图片.png"/>
<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/10/09/202010091602217869437093513.png" title="202010091602217869437093513.png" alt="图片.png"/>
A.
58.[问答题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/10/09/202010091602247457756051609.png" title="202010091602247457756051609.png" alt="图片.png"/>
A.
59.[问答题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/10/09/202010091602249522805090843.png" title="202010091602249522805090843.png" alt="图片.png"/>
<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2020/10/09/202010091602249747171018310.png" title="202010091602249747171018310.png" alt="图片.png"/>
A.
60.[问答题] 叙述并证明西姆松定理。
A.
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