Mathematics
Junior High
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上二つの三角形がなぜ相似になるのか教えてください

T ③ AD / BC // A6cm D 80 4cm E 5cm C B 13.5cm 2組の辺の比とその間の角 がそれぞれ等しいから、 △ABC∽△DCA △ABC∽△EDA ADCA AEDA

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