题文
若四边形A1A2A3A4满足：![若四边形A1A2A3A4满足：，，则该四边形一定[ ]A.矩形 B.菱形 C.正方形 D.直角梯形](https://www.mshxw.com/file/tupian/20210916/ab5dbe400c3d2441d5346b060acaa2d5.gif "若四边形A1A2A3A4满足：，，则该四边形一定[ ]A.矩形 B.菱形 C.正方形 D.直角梯形")
，（
![若四边形A1A2A3A4满足：，，则该四边形一定[ ]A.矩形 B.菱形 C.正方形 D.直角梯形](https://www.mshxw.com/file/tupian/20210916/9803f04d4671fa97065cf17636e9aa01.gif "若四边形A1A2A3A4满足：，，则该四边形一定[ ]A.矩形 B.菱形 C.正方形 D.直角梯形")
）
![若四边形A1A2A3A4满足：，，则该四边形一定[ ]A.矩形 B.菱形 C.正方形 D.直角梯形](https://www.mshxw.com/file/tupian/20210916/4be46a71743d23c50eca04a58bca84df.gif "若四边形A1A2A3A4满足：，，则该四边形一定[ ]A.矩形 B.菱形 C.正方形 D.直角梯形")
，则该四边形一定[ ]A.矩形
B.菱形
C.正方形
D.直角梯形 题型：未知 难度：其他题型
答案
B解析
该题暂无解析
考点
据考高分专家说，试题“若四边形A1A2A3A4满足.....”主要考查你对 [向量数量积的运算 ]考点的理解。，（
）
，则该四边形一定[ ]A.矩形
B.菱形
C.正方形
D.直角梯形 题型：未知 难度：其他题型
题文
若四边形A1A2A3A4满足：答案
B解析
该题暂无解析
考点
据考高分专家说，试题“若四边形A1A2A3A4满足.....”主要考查你对 [向量数量积的运算 ]考点的理解。上一篇 △ABC中，AC=3，BC=4，AB=5，O是其内切圆的圆心，则。
下一篇 He must have been completely lost in something he was reading because I had to t
名师互学网 版权所有 (c)2021-2022 ICP备案号：晋ICP备2021003244-6号
