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luongnguyenanhkhoa
2 năm trước
Cho tam giác MNP vuông ở M, điểm D thuộc cạnh NP. Kẻ DH vuông góc với MP( H MP). Trên tia đối của tia HD lấy điểm E sao cho HE=HD. a) Vẽ hình b) Chứng minh = c) Chứng minh MD = ME d) Cho biết = 500 và MD là phân giác của tính nhớ vẽ hình nha!!
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