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quanh9971
2 năm trước
Cho tam giác mnp vuông tại m,mn=3cm ; mp=4cm, tia phân giác của góc n cắt mp tại a . Trên tia đối của tia an lấy điểm d sao cho na=ad , từ điểm d vẽ đường thẳng vuông góc với mp tại k và cắt np tại điểm e a) tính độ dài np b)chứng minh tam giác MAN=tam giác KAD c) chứng minh EN=DE d) chứng minh rằng MA<AP Giải hộ em với ạ em cảm ơn
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