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hanhan
2 năm trước
Giải giùm mik bài này ik:Cho ABC vuông tại A, có AB = 6 cm, BC = 10 cm. Gọi M là trung điểm của BC. Trên tia đối của tia MA lấy điểm D sao cho MA = MD. Chứng minh: a/ AMB = DMC b/ AB // CD c/ Tính độ dài BD d/Kẻ AH vuông góc BC, DK vuông góc BC. Chứng minh: AH // DK e/ Chứng minh M là trung điểm của HK.
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