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  5. なぜ、r=9になるんですか？ 教えてください！
Mathematics
Junior High
cherry
cherry

なぜ、r=9になるんですか？
教えてください！

Clearnote - What Can You Do・How to Use

Answers

Kazu
Kazu

直径❎π❎360分の中心角=弧

cherry
cherry

ありがとうございます！

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