如图,由线段
,
,
,
组成的图形像
,称为“
形
”.
(1)如图1,连接“
形
”中
,
两点,若
,
,试猜想
与
的数量关系,并说明理由;
(2)如图2,在(1)的条件下,当点
在线段
的延长线上从上向下移动的过程中,请直接写出
与
所有可能的数量关系,并简要描述此时点
所在的位置.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db54223bb3fc2fe2497213a4d1f94827.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e5550d8659980c02488a57afd5964ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e5550d8659980c02488a57afd5964ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40afe4ad45ffc486e5cfce6f48962b5f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/13/bf201216-521f-45c8-a40a-6cc08ac7d943.png?resizew=508)
(1)如图1,连接“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e5550d8659980c02488a57afd5964ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40afe4ad45ffc486e5cfce6f48962b5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e6caf69e618ca0137b54b26b82ca6e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c61650a2f45c28d0f63abb807307ae0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d73b2448f9aba5ca9885fd1edd1bca1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da783c3463e00e51f14179400646831f.png)
(2)如图2,在(1)的条件下,当点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d73b2448f9aba5ca9885fd1edd1bca1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da783c3463e00e51f14179400646831f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
更新时间:2023-06-08 11:16:02
|
相似题推荐
解答题-证明题
|
较难
(0.4)
名校
【推荐1】已知:如图,
、
都是等边三角形,
、
相交于点O,点M、N分别是线段
、
的中点.
;
(2)求
的度数;
(3)求证:
是等边三角形.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d631f45bc652539853f236952afa5bbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c503e29373e8d87134bdb46bd3912910.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cbee6d5731d6f4bb1e4f2ba3d89b7dc.png)
(3)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e856c15c61d7cb6ebd8daef542a4e7f.png)
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解答题-问答题
|
较难
(0.4)
【推荐2】已知,如图,
,直线
交
于点
,交
于点
,点
是线段
上一点,
分别在射线
上,连接
平分
平分
.
时,求
的度数;
(2)如图2,求
与
之间的数量关系,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a11029ca6b4b9e7f777af0280cf163c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2c5bcb36e8ba2089e5694252740fe10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dc96c142659093c05f574e6e1b47b70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad302aa8c7cff2eaf693b623058f75e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3fd8ae390c2823c88f9d960ba6e99e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/769284088573642b72b6fd62eb807b34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c32805e421aec6bce3624baa0c954f1.png)
(2)如图2,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a298ed3325baafd125f688496fd52e8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c32805e421aec6bce3624baa0c954f1.png)
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解答题-作图题
|
较难
(0.4)
【推荐1】已知:射线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ead54fa830c0b2574123c4fbbc7cdc5c.png)
(1)如图1,
的角平分线交射线
与点
,若
,求
的度数.
(2)如图2,若点
在射线
上,
平分
交
于点
,
平分
交
于点
,
,求
的度数.
(3)如图3,若
,依次作出
的角平分线
,
的角平分线
,
的角平分线
,
的角平分线
,其中点
,
,
,
,
,
都在射线
上,直接写出
的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ead54fa830c0b2574123c4fbbc7cdc5c.png)
![](https://img.xkw.com/dksih/QBM/2020/8/21/2532745508429824/2558282767663104/STEM/a8aa4b4664984d3f9c966a1e192aa12b.png?resizew=443)
(1)如图1,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c3a3bf63440a2fdd769162516fb0e1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac95da1a16c628ea157e941315d83f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3818a2c9919d358b4c3713396093822b.png)
(2)如图2,若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fed1f57a835af4e9022e27603d12d31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/683c590673eece14fea3319c4fd5eb55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f5dc1d043a4909a40238ff5b590c77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c311e0e03e1c2081f0c98052168c49c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd4dad72091e4d5c3a59677df316113c.png)
(3)如图3,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/878e48357ec37956f4d8fb656e7bed8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c3a3bf63440a2fdd769162516fb0e1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59dd5cfc1134a08462e38256529685b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0fc6cf34323f80b94fe2a9d0867d62e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d21c6de1e8e065c0c99a1dc3988953b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b2314397acf3bf2bc1933b239e1ca7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a3aa2c23af53fcebf942cb84fd88bca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c1ec0a0e1141b90559592393c08ea51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a71fc9c0068109dad1382354570665.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa5e9bd516f6282483b92cfe6074623.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e85af7d14012c35ffdca9d3fa5a15e09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63f5c583c98a1fd516c6ceaa60b55dec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28f9b9cce2f89c9738b74c9503b76661.png)
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解答题-问答题
|
较难
(0.4)
名校
【推荐2】如图,在平面直角坐标系中,点O为坐标原点,直线
分别交y轴正半轴于点
,交x轴负半轴于点
,过点A作
,且
.
(1)求点D的坐标.
(2)过点D作
轴,垂足为C,P是线段
上一个动点,过点P作
轴,垂足为点N,在
延长线上取点H,在x轴点N右侧取点M,连接
,在线段
上取点G,连接
,使
,设线段
,满足
的面积表示为
,求线段
的长度.
(3)在(2)的条件下,连接
并延长交x轴于点F,当D为
中点时,连接
,过点G作
,在y轴左侧直线
上是否存在点K,连接
、
,使得
与以
、
、
为三边长的三角形全等?若存在,求出
长,若不存在,请说明理由.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/28/b9f81480-1e39-441a-a9af-a99c02f028ae.png?resizew=632)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/383f12cb70ca55eba4ff012771dbfa9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2c77a42750684cb6157c2c7fb9422a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9060f03b9ee41d70d135b1e1a8902ce9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e735a28578ba191da6d4f3b0f8e8729.png)
(1)求点D的坐标.
(2)过点D作
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f33a45120f42ff647729aceebab990e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0522607eeb42a499c0f5b040bbdd42e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5845ffc7d1af9053b027cf9e726f5367.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83042953e7f15e984b2da2ee9ca678d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c8ffe24cf9f327aeb241225ab15ab1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e9e953a4a5f98c96bbe67cbaadf76d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0943e08516e5b6dabe4ee330202acf6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1b7b04bf8881ede281360c05dc4199f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf8802dc9594270a15dbe28ac897c218.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50330110b078ae8d70997565cd7ef07f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42887d9bf31c1dd99f13c39e63c9ab9.png)
(3)在(2)的条件下,连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3064b70f24e9bbcab76e0dc61274b9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53b95463a97c60db3250cb641bf6523d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a7e4a6765ce78b05ee97764771e01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6ca6c65c8e91814228f7707da400176.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27e66b12019cdf68327d34c90dff7c04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18bbf26fadcc5aa1c44679f775768d77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa7a8f1bb76ce6165559a590f88b2787.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/831ed478e62c7e071d2b5bcb8605c8cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a7e4a6765ce78b05ee97764771e01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42887d9bf31c1dd99f13c39e63c9ab9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7e4fa04825ac7d071968056322d88be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa7a8f1bb76ce6165559a590f88b2787.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/28/b9f81480-1e39-441a-a9af-a99c02f028ae.png?resizew=632)
您最近一年使用:0次