(1)如图1,
中,
,
,边
、
的垂直平分线交
于点P、Q.则
的度数是________.
(2)如图2,
中,
,且
,边
、
的垂直平分线交
于点P、Q.
①若
,则
_______°;
②若
,则
_______°(用含有α的代数式表示)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/645ab05a4b057c24955fea5caabce043.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ff7023ec0f513c7d0ef86859a5ede54.png)
(2)如图2,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abcb980da8e86b4cfd322616dc84fc6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c494c4fbf61f655ad3aa2f6a32df453c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/645ab05a4b057c24955fea5caabce043.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26505d35570a350de35fa723887aa5f2.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb2cf0e95fdf1fd8a5b01d3dfd905e08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26505d35570a350de35fa723887aa5f2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/1/5a560d6a-54be-4885-b698-4d1a6a94786c.png?resizew=322)
更新时间:2023-10-29 18:13:05
|
相似题推荐
解答题-证明题
|
适中
(0.65)
【推荐1】如图,在
中,
,
,
为角平分线.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/20/3bad6d05-24f0-4a0c-b99b-e9f6f7fe86a6.jpg?resizew=77)
(1)求证:
;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee54b9b398ce80cd054b56173fe810f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/20/3bad6d05-24f0-4a0c-b99b-e9f6f7fe86a6.jpg?resizew=77)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02397ee685527cba988c89b14cd6a470.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7eb3d1070981fed5ca65a34bb2282e6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0fc8b9b02c4ffad7a6767546910dd3a.png)
您最近一年使用:0次
解答题-证明题
|
适中
(0.65)
【推荐2】如图,已知
在同一条直线上,
,
,
.
与
交于点
,
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/5/bb86da06-9b8d-4baf-984c-94eede501630.png?resizew=146)
(1)求证
;
(2)若
,
,求
的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8b5937167b7229645a91d9f3a968caa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a510a3eb906b3ef0760b0d1723d11ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c244edbf77fbb8e9c017515e370c5c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f805768a5ffaf8bdfa4bc3b680aafdc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/5/bb86da06-9b8d-4baf-984c-94eede501630.png?resizew=146)
(1)求证
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ca10806fc8c3c3efd6859f526b76900.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41bef89ac0dd5ae192cd9c7222d5041b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26fdd8e57562ba94e10e7f1d770826d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16a8e30f70325b5b14851b9377107ab8.png)
您最近一年使用:0次
解答题-作图题
|
适中
(0.65)
【推荐1】为加快新农村建设,提高人居环境,计划要在道路m上修建一个天然气站E,同时向D,C两个居民区提供优质天然气,供居民取暖,做饭.已知如图:D到道路m的距离
,C到道路m的距离
,A,B两地距离
. 气站E应建在道路m的什么位置,使得C,D两居民区到气站E的距离相等?
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/28/d4bd7492-4121-406a-9b87-9903b631d79c.png?resizew=136)
(1)请你设计出气站E的位置(在图中用尺规作图作出符合条件的点
,不写作法,保留作图痕迹).
(2)计算出气站E到A处的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8daba8f978ff25caa144aa6a9a3c1245.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27389cbfba293ae701d4c3e4785aa21e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/759e82df95ec364ed64a3ff3ba73abd6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/28/d4bd7492-4121-406a-9b87-9903b631d79c.png?resizew=136)
(1)请你设计出气站E的位置(在图中用尺规作图作出符合条件的点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)计算出气站E到A处的距离.
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐2】如图,在
中,点D,E分别是
,
的垂直平分线与
的交点.
(1)若
的长为6,求
的周长;
(2)若
,求
的度数;
(3)若
(
为锐角),求
的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/24/f58955c5-6ec7-4e90-a862-930c875202ee.png?resizew=209)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d631f45bc652539853f236952afa5bbf.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/313dc97007d1d8379c77acfde9e6f818.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1384d0a02d097ac7aa8a19e8da6f9767.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b9cd3d8e6059030fb2cbfb62c791faa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fabb884dc5f9609de491245463bbe9a.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐1】如图,在
中,
,
分别为
,
边的垂直平分线,连接
,
.若
,求
的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41bef89ac0dd5ae192cd9c7222d5041b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdb8eca20ce2c918ea4034ea15210c7f.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
【推荐2】如图1,
,
,
.
(1)
与
相等吗?请说明理由;
(2)如图2,延长
交
于点F,交
于点G.若
,
,点C在线段
的垂直平分线上,求
的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e735a28578ba191da6d4f3b0f8e8729.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06a2ab6940dca62be1f3b2b5f8531990.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5cc2450dc300ce26b513c2abae28cab.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/20/6bd1393a-8c9a-4156-9053-add6f8d8e454.png?resizew=325)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febc9a89d0d1c97b88c0f4acd32b4e67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c543c3ddc3723fde6bbfca3ea3b921b.png)
(2)如图2,延长
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ce6c8659bfef1f79b0796d500b924a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d82148788a3bf8c12ef5895f35358b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e6567f04a1bfbf57c21ac8bc4893375.png)
您最近一年使用:0次