西南大学2022年6月[0775]《中学几何研究》
中学几何研究1.[判断题] 三角形中大边所对的中线较小。( )
A.对
B.错
答:——正确——
2.[判断题] 分断式定理的逆命题一定成立。( )
A.对
B.错
答:——正确——
3.[判断题] 平面内到两定点距离的平方和为常量的点的轨迹是一个圆。( )
A.对
B.错
答:————
4.[判断题] 若<img src="/resourcefile/uploadFiles/file/questionImgs2018/2020/10/08/202010081602154253956089953.png" title="202010081602154253956089953.png" alt="图片.png"/>的必要不充分条件。( )
A.对
B.错
答:————
5.[判断题] 三角形的三中线共点于重心。( )
A.对
B.错
答:————
6.[单选题] <img src="/resourcefile/uploadFiles/file/questionImgs2018/2020/10/15/202010151602765793171075343.png" title="202010151602765793171075343.png" alt="图片.png"/>
A.A.<img src="/resourcefile/uploadFiles/file/questionImgs2018/2020/10/15/202010151602765822993047215.png" title="202010151602765822993047215.png" alt="图片.png"/> <br/>
B.B.<img src="/resourcefile/uploadFiles/file/questionImgs2018/2020/10/15/202010151602765841552062450.png" title="202010151602765841552062450.png" alt="图片.png"/> <br/>
C.C.<img src="/resourcefile/uploadFiles/file/questionImgs2018/2020/10/15/202010151602765860972098649.png" title="202010151602765860972098649.png" alt="图片.png"/> <br/>
D.D.<img src="/resourcefile/uploadFiles/file/questionImgs2018/2020/10/15/202010151602765880047065910.png" title="202010151602765880047065910.png" alt="图片.png"/> <br/>
答:————
7.[单选题] <img src="/resourcefile/uploadFiles/file/questionImgs2018/2020/10/15/202010151602761465406016315.png" title="202010151602761465406016315.png" alt="图片.png"/>
A.A.1/6
B.B.1/5
C.C.1/4
D.D.1/3
答:————
8.[单选题] <img src="/resourcefile/uploadFiles/file/questionImgs2018/2020/10/10/202010101602312442650069004.png" title="202010101602312442650069004.png" alt="图片.png"/>
A.A.角平分线
B.B.中线
C.C.垂线
D.D.不能判断
答:————
9.[单选题] <img src="/resourcefile/uploadFiles/file/questionImgs2018/2020/10/15/202010151602766978152036298.png" title="202010151602766978152036298.png" alt="图片.png"/>
A.A.<img src="/resourcefile/uploadFiles/file/questionImgs2018/2020/10/15/202010151602767008324046508.png" title="202010151602767008324046508.png" alt="图片.png"/> <br/>
B.B.<img src="/resourcefile/uploadFiles/file/questionImgs2018/2020/10/15/202010151602767023270057826.png" title="202010151602767023270057826.png" alt="图片.png"/> <br/>
C.C.<img src="/resourcefile/uploadFiles/file/questionImgs2018/2020/10/15/202010151602767040791066781.png" title="202010151602767040791066781.png" alt="图片.png"/> <br/>
D.D.<img src="/resourcefile/uploadFiles/file/questionImgs2018/2020/10/15/202010151602767059842090434.png" title="202010151602767059842090434.png" alt="图片.png"/> <br/>
答:————
10.[单选题] 下列图形中,四点不一定共圆的是( )
A.A.菱形
B.B.矩形
C.C.正方形
D.D.等腰梯形
答:————
11.[填空题] 演绎法是指( )。<br/>
答:————
12.[填空题] <img src="/resourcefile/uploadFiles/file/questionImgs2018/2020/10/16/202010161602848294863027350.png" title="202010161602848294863027350.png" alt="图片.png"/>
答:————
13.[填空题] 平面内到定点的距离等于定长的点的轨迹是( )。
答:————
14.[填空题] 若三角形两边的垂线相等,则此三角形为( )三角形。
答:————
15.[填空题] <img src="/resourcefile/uploadFiles/file/questionImgs2018/2020/10/18/202010181602990448299024169.png" title="202010181602990448299024169.png" alt="图片.png"/>
答:————
16.[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( )。
答:————
17.[填空题] <img src="/resourcefile/uploadFiles/file/questionImgs2018/2020/10/18/202010181602989667449096982.png" title="202010181602989667449096982.png" alt="图片.png"/>
答:————
18.[填空题] <img src="/resourcefile/uploadFiles/file/questionImgs2018/2020/10/18/202010181603022977496085043.png" title="202010181603022977496085043.png" alt="图片.png"/>
答:————
19.[填空题] <img src="/resourcefile/uploadFiles/file/questionImgs2018/2020/10/18/202010181602989762650030066.png" title="202010181602989762650030066.png" alt="图片.png"/>
答:————
20.[填空题] <img src="/resourcefile/uploadFiles/file/questionImgs2018/2020/10/18/202010181603023421866037252.png" title="202010181603023421866037252.png" alt="图片.png"/>
答:————
21.[问答题] <img src="/resourcefile/uploadFiles/file/questionImgs2018/2020/10/09/202010091602218975983018516.png" title="202010091602218975983018516.png" alt="图片.png"/>
答:————
22.[问答题] 证明等腰三角形底边上任一点到两腰的距离之和为常量.
答:————
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