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thienthuy.toan.ltt
2 năm trước
Cho tam giác vuông ABC. Từ một điểm M bất kì trong tam giác kẻ ME, MD,MF lần lượt vuông góc với các cạnh BC, AC, AB. Chứng minh rằng: BE^2 + CD^2 + AF^2 = CE^2 + AD^2 + BF^2 Trả lời nhanh vote 5⭐, câu tlhn ạ 💞
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