已知矩形
,
.
(1)尺规作图:①作
垂直平分线
,垂足为
,②作
角平分线
,交
于
.
(2)求
的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d1a214015ac939bc7de7e73459689d.png)
(1)尺规作图:①作
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/721c75fcd58d3d54260aad0f82e09e37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a7e4a6765ce78b05ee97764771e01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec88884321733714de9db5466629ccf2.png)
![](https://img.xkw.com/dksih/QBM/2020/3/12/2417897690169344/2417964215083008/STEM/87e551dc832f4a95815741e94f6814bb.png?resizew=245)
19-20八年级上·浙江杭州·期末 查看更多[2]
更新时间:2020-03-12 15:03:42
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【推荐2】如图①是一个新款水杯,水杯不盛水时如图放置在桌面上,这样可以快速晾干杯底,干净透气,其主体的侧面示意图如图②,此时杯口与桌面的夹角为
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解答题-作图题
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【推荐2】用直尺和圆规按下列要求作图:(不写作法,保留作图痕迹)
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【推荐1】如图,在△ABC中,CB=CA,
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解答题-作图题
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