如图,已知
,
,
.
![](https://img.xkw.com/dksih/QBM/2020/12/9/2610512639401984/2614871725998080/STEM/d7ee664a-6cd8-4f75-98a7-db4897110a25.png?resizew=173)
(1)用直尺和圆规按下列要求作图:(保留作图痕迹,用黑色签字笔加粗加黑)
作
的角平分线
交
于
;
过
点作
垂直于
,垂足为
,
交
的延长线于点
;
(2)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b10134e7a46e6f6f7cb9d5e2371727d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed10df4140819d5451773a45de66201b.png)
![](https://img.xkw.com/dksih/QBM/2020/12/9/2610512639401984/2614871725998080/STEM/d7ee664a-6cd8-4f75-98a7-db4897110a25.png?resizew=173)
(1)用直尺和圆规按下列要求作图:(保留作图痕迹,用黑色签字笔加粗加黑)
作
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/8455657dde27aabe6adb7b188e031c11.png)
过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4f654fde982fac75cc3f7a24a082c7b.png)
更新时间:2020-12-15 19:53:03
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相似题推荐
解答题-问答题
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【推荐1】如图,直线
,
与
,
分别相交于点A,
,且
,
交直线
于点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/9/7abb1029-382a-437c-b33d-f613ef9487c2.png?resizew=236)
(1)若∠1=58°,求
的度数;
(2)若
,
,
,求直线
与
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8a4352562ae8aa968014fd0d931b677.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/822ba132ca9dd0d4a050659aef3c9b26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/9/7abb1029-382a-437c-b33d-f613ef9487c2.png?resizew=236)
(1)若∠1=58°,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d57899ad4774aed9ccc7bd23db72153.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3ad4c0ba3a6750537789844d0ec419d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78b65065ec3a0cb4b050989165c003d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df049f15adb6667113ceee3a6638cd0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
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【推荐2】如图,在
中,
平分
交
于D,
于E,
,
,求
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
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【推荐1】如图,
中,点
、
在
上,
,
.
;
(2)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5138a9f70d5e8b0580e30fef6eb7baef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52f9cb93947d668d2e054348103f8bf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/755a11be3b49d05b9215f2f8d1f51c35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d99bb3ab66b8884bf23cffe1bddcb33.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ada55c12a53a4c469e052445547bed96.png)
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【推荐2】已知:如图,在△ADF和△BCE中,点B,F,E,D依次在一条直线上,若AF∥CE,∠B=∠D,BF=DE,求证:AF=CE.
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解答题-作图题
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【推荐1】如图,已知
,点B是射线
上一点,求作等腰三角形
,使得
为等腰三角形的底边,点A在
内部,且点A到角
的两边距离相等.(尺规作图)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52f8eff113ca3f0d0200253c7c2f5a7a.png)
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解答题-作图题
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【推荐1】已知:如图,在
中
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/31/4de1b966-678a-4434-9a63-883f28ff02fd.png?resizew=153)
(1)尺规作图,求作
中点
,使
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,若
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是矩形.
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
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(2)连结
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02b6ce7feaffcb477a1978ef20f3e186.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cead256658d6f874b3b298f8dd2c055.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
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解答题-作图题
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【推荐2】如图,在锐角
中,
,请用尺规作图法,在
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/249adb96cefc5a522afaf264afec98d5.png)
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