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Mathematics, 22.07.2021 14:00 thebigman7993

Cho tam giác ABC ,góc B = 45°. Đường cao AH chia BC thành hai phần BH =20cm và HC = 21cm. Tính cạnh AB ,AC góc C và góc A của tam giác ABC

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Cho tam giác ABC ,góc B = 45°. Đường cao AH chia BC thành hai phần BH =20cm và HC = 21cm. Tính cạnh...
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