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nguyenthithuylinhhy2001
2 năm trước
Cho tam giác nhọn ABC ,gọi K ,H lần lượt là trung điểm AB,AC.Gọi D là điểm đối xứng với C qua K a)C/m AD//BC b)gọi E là điểm đối xứng với B qua H .C/m A là trung điểm của DE Mấy bạn giúp mik với đang cần gấp please 😭😭😭
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