如图,在菱形
中,
,问:
,求
的度数.
(2)若以点C为圆心,
长为半径画弧,交直线
于点E,求
的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/640e9e7c56e8eeda044fb55396088816.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cbce11aa19b8bd2bf6ee5a834e005de.png)
(2)若以点C为圆心,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cfc2771aa0d5b97d2297f8a26a6f6b1.png)
更新时间:2024-05-23 19:04:05
|
相似题推荐
解答题-作图题
|
较易
(0.85)
名校
【推荐1】如图,在
中,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/24/f31c47fa-c1ae-47cc-957a-7449a599b58e.png?resizew=219)
(1)尺规作图:在边BC找一点D使得
;
(2)在(1)的条件下,若
,求∠B的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/24/f31c47fa-c1ae-47cc-957a-7449a599b58e.png?resizew=219)
(1)尺规作图:在边BC找一点D使得
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/164761906f6b15856ddfaed32a129255.png)
(2)在(1)的条件下,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d365cc7ce9022654091eee60bc1c2b7.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
名校
【推荐2】如图,点
是正方形
内一点,将
绕点
顺时针旋转90°至
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/17/a88587ea-4bce-4d5d-9a00-dd3fd2551c56.png?resizew=191)
(1)若
,
,求
;
(2)若
,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2657e02314469ad2b13d31dce41b4343.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15a37ba261860ddad9d11b2e8348a8f3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/17/a88587ea-4bce-4d5d-9a00-dd3fd2551c56.png?resizew=191)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745a7069d2449b2f8885b37071567b9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaa3597e9d7ffac15737c5f32429efb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e35cfb01d9e4729e9b41eb33feb5b8c6.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a0268d04b9dea7629af27af9a0285a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ff39c7aa648afd1080206c8080ff79e.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
【推荐1】如图,在
中,
,
,D为
延长线上一点,点
在
边上,且
,连接
,
,
.
![](https://img.xkw.com/dksih/QBM/2023/12/26/3397551010480128/3398018490449920/STEM/3bfb4a5875b3484aa7ddac9f227b469f.png?resizew=87)
(1)求证:
;
(2)若
,求
的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4908fad3dc6fe1b0675c870328f043ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45acdbac251ca6b76a166c1242e71df9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38ac49caae8e3b8869d19beeff98966e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://img.xkw.com/dksih/QBM/2023/12/26/3397551010480128/3398018490449920/STEM/3bfb4a5875b3484aa7ddac9f227b469f.png?resizew=87)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074887bdd8da63f19f3e488ae2275d8b.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a603f44e98a5cfddf04693d0dbb86e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a72dfbf0138a611174c36ce077e0c47.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
【推荐1】如图,木制活动衣帽架由3个全等的菱形挂钩构成,在A、E、F、C、G、H处安装上、下两排挂钩,可以根据需要改变挂钩间的距离,并在B,M处固定.已知菱形
的边长为
,要使两排挂钩的距离(即
)为
,求
之间的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/905cc0cae86b63c273c53d33cfde727a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ade6c9027703edd8991b63e224d799c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69d2b798744645af88a4fa411344a83.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/16/67d1dec4-47b5-4d02-89eb-d5edff3c9265.png?resizew=179)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
【推荐2】如图所示,是一种长
米,宽
米的矩形瓷砖,
分别为矩形四边
的中点,阴影部分为淡黄色花纹,中间部分为白色,现有一面长
米,宽
米的墙壁准备贴如图所示规格的瓷砖.试问:
(1)这面墙最少要贴这种瓷砖多少块?
(2)全部贴满后,这面墙壁会出现多少个面积相同的菱形?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7412fd1be21e4eaf388963a82ac2b11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4646418552dc060ebda1232361a01295.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cab0ed07775b0fdcb368b696a0f65422.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/516565acdad4f0335892bd9c6dc122ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ef75a7cf60857f67c23361e8f355f93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b59db1909a60117d7a8935bf587ae74.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/8/004b59e9-bd98-4380-a4eb-f150344c04c6.png?resizew=178)
(1)这面墙最少要贴这种瓷砖多少块?
(2)全部贴满后,这面墙壁会出现多少个面积相同的菱形?
您最近一年使用:0次