已知线段
是圆
的一条长为4的弦,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df672afc662c02d3c381cbab21b34611.png)
A.4 | B.6 | C.8 | D.16 |
更新时间:2024-05-18 16:31:52
|
相似题推荐
单选题
|
适中
(0.65)
【推荐1】已知
的外接圆的圆心为
,满足:
(
),且
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f424d5410796960501d42245df674704.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59b2400d72b1e3145cb21ba719d8a968.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11f075b0b4745fb4f48439d06aba0bac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efe82ac7dec66fba0b701d1fb52320a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bf92eb59e2ad39ff5508437448d8b76.png)
A.36 | B.24 | C.24![]() | D.12![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
名校
解题方法
【推荐2】已知向量
的夹角为60°,且
,
,则向量
在
方向上的投影向量的模等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d194ecefc9101001d88d3cc0bc9d6ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de92356d8c57c0ab46327a99f524986f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33b7e7b9ea939f7374faaac45a77fcf6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/427fa45527d0ce469bfd060bf6f991f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a92e6eba8dab638fd66831cd3a0b6d7.png)
A.![]() | B.![]() | C.![]() | D.1 |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐1】在
中,点
在线段
上,且
,点
在线段
上,若
,
,
,则
面积的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50196d293a863fe2f9e46199052ab8c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/602ee324ca5bc3cf9ef251a061b431ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fffa3d9c32da53b0ea0c338012ea20c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bc23176cabe9ba04a24ca39e9b6b4bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
名校
解题方法
【推荐2】已知点
是边长为
的等边三角形
的中心,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2df3ec0ba5da1320ffccb705569cb937.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
名校
【推荐1】如图,已知△ABC中,点M在线段AC上,点P在线段BM上且满足
若
,
,则
的值为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/21/fdd8891e-bece-4dc9-80d7-85a47be23c71.png?resizew=193)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f81b2ee40d77e213fa2350aa2997f31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f6246c5d72cd866e6c36786b29d1bef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c06154cae3bf7a8ce5a1e97a7380875.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb206f5215e81dce0956d17c7e099c9d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/21/fdd8891e-bece-4dc9-80d7-85a47be23c71.png?resizew=193)
A.2 | B.![]() | C.﹣2 | D.![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
名校
解题方法
【推荐2】梯形
中,
,
,
,
,
,点E在线段
上,点F在线段
上,且
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10df84d553a8826a7ce9bff4bf0d95b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e2a44d05b1d387150c4b359e021ffc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a88c44f558705de3bcefcfc0ece96b8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c4cb73e9d976cbfe9c590044fa69dd5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5dd314bc8f31b34e32d49a63f8db75b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90cbb5379860ba02f0f25922f508564.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70439e9dfafa15899aa2d15fda511040.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次