Mathematics, 14.08.2021 17:00 BePaige

Cho tam giác abc nhọn có ab= căn 18 cm, vẽ bh vuông góc với ac tại h. Biết bh=3 cm. Tính góc bac

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Cho tam giác abc nhọn có ab= căn 18 cm, vẽ bh vuông góc với ac tại h. Biết bh=3 cm. Tính góc bac...

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