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ngocphu61106
2 năm trước
Bài 12. Cho ba điểm A(1;0), B (-3;-5),C(0;3). a. Chứng minh A, B,C là ba đỉnh của một tam giác và viết phương trình các cạnh của AABC. b. Viết phương trình tổng quát, tham số của đường cao đỉnh A của AABC. c. Xác định tọa độ trực tâm của AABC. d. Xác định tâm đường tròn ngoại tiếp và bán kính đường tròn ngoại tiếp AABC. p/s:A ở trc ABC là tam giác nhé ạ
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