✨ Best Answer ✨
言えます
AD:AE＝1:2よりDG:EC＝1:2だから、DG＝(1/2)EC＝(1/2)a
EC:DF＝1:2より、DF＝2EC＝2a 🙇
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✨ Best Answer ✨
言えます
AD:AE＝1:2よりDG:EC＝1:2だから、DG＝(1/2)EC＝(1/2)a
EC:DF＝1:2より、DF＝2EC＝2a 🙇
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are also looking at these questions 😉
ありがとうございます！