Mathematics, 28.11.2021 06:40 Teal3475

Cho tam giác ABC có AB = 3, AC = 4, BC = 5. Vẽ đường tròn (B; BA). Chứng minh rằng AC là tiếp tuyến của đường tròn.

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Cho tam giác ABC có AB = 3, AC = 4, BC = 5. Vẽ đường tròn (B; BA). Chứng minh rằng AC là tiếp tuyến...