Trong tam giác ABC, đường trung tuyến kẻ từ đỉnh A đi qua trung điểm của cạnh BC. Đúng hay sai? Trong tam giác ABC, đường trung trực của cạnh BC vuông góc với BC tại trung điểm của BC. Đúng hay sai?

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Feb 8, 2024 ... Cho tam giác ABC có A=90 độ. BO và CO lần lượt là hai tia phân giác của B và C. Tính góc BOC ... nếu câu trả lời hữu ích nhé! Mar 25, 2021 ... Cho tam giác ABC có ba góc nhọn (AB

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