![](https://i.imgur.com/cM25MoB.jpg)
[幾何] 求角度問題
![](https://i.imgur.com/cM25MoB.jpg)
答案應該是 6度 不過不知道要怎麼推算出來 Orz
想超久的 有請高手幫忙解惑一下 感恩 Orz
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推
03/24 03:41, , 1F
03/24 03:41, 1F
→
03/24 04:21, , 2F
03/24 04:21, 2F
推
03/24 22:05, , 3F
03/24 22:05, 3F
→
03/24 22:52, , 4F
03/24 22:52, 4F