如图:小亮从A点出发,沿直线前进10米后向左转30度,再沿直线前进10米,又向左转30度,…照这样走下去,他第一次回到出发点A点时,一共走了多少米?
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/1/d9bdd16b-0521-4cbf-85ad-a95de3ffb767.png?resizew=155)
更新时间:2023-10-31 15:31:26
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【知识点】 多边形外角和的实际应用解读
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解答题-问答题
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较易
(0.85)
【推荐1】请根据下面
和
的对话解答下面问题.
:我和
都是多边形,我们俩的内角和相加的结果为
;
的边数与我的边数之比为
.
(1)求
和
的外角和相加的度数;
(2)分别求出
和
的边数;
(3)若
的内角都相等,求每个内角的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a829fdd8ec0f3b7ede883cf2c3e53b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a829fdd8ec0f3b7ede883cf2c3e53b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73a1e8072b2126e33aa203db4635211a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6943146fd131fe2cf7271f21c12ea0a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff4806fb7f95f63e863c287faa51f8e3.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a829fdd8ec0f3b7ede883cf2c3e53b.png)
(2)分别求出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a829fdd8ec0f3b7ede883cf2c3e53b.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a829fdd8ec0f3b7ede883cf2c3e53b.png)
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解答题-问答题
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较易
(0.85)
【推荐2】小刚从点A出发,前进10米后向右转60°,再前进10米后又向右转60°,按照这样的方式一直走下去,他能回到A点吗?当他第一次回到A点,他走了多少米?
![](https://img.xkw.com/dksih/QBM/2021/12/5/2865742046314496/2867193853829120/STEM/0b035875-ddfa-4b0f-a377-efa5b63b568d.png?resizew=102)
您最近一年使用:0次