✨ Best Answer ✨
まず、図が違いますよ。
外角の公式は知っていますか？
↓
http://kurihara.sansu.org/theory/kaku2bun2.html
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✨ Best Answer ✨
まず、図が違いますよ。
外角の公式は知っていますか？
↓
http://kurihara.sansu.org/theory/kaku2bun2.html
Users viewing this question
are also looking at these questions 😉
そーだったんだ…
ありがとうございます(*´▽｀*)♡