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  5. Ⅱの45°の解説をお願いします🙇‍♀️！
Mathematics
Junior High
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Ⅱの45°の解説をお願いします🙇‍♀️！

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✨ Best Answer ✨

delta
delta

∠DCG=∠DAEなので∠DAEを求める
↓
90°の二等分線なので45°

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