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superhero392x
2 năm trước
Cho đoạn thẳng AB, điểm C cách đều hai điểm A và B, điểm D cách đều hai điểm A và B ( C và D nằm khác phía đối với AB ) a) Chứng minh: CD là tia phân giác của góc ACD b) Kết quả câu a còn đúng không nếu C và D nằm cùng phía với AB ? Mà vẽ hình nữa nha :)))
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