Mathematics
Senior High
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解き方を教えてください🙏答えは7√2です
1. [四訂版メジアンⅠⅡAB受 鹿児島大]] .a
三角形の3辺の長さ a, b c の比がα: b:c=7:6:5であり、面積が126 のとき,
a の値を求めよ。
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