Mathematics
Junior High
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 解き方教えたくださぃぃぃぃぃぃ汗

 問題)半径18cm,面積270πcm²のおうぎ形の中心角の
    大きさをもとめなさい。

 答え)300度

 解き方がわかんないです泣

 おねがいします、!

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