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Mathematics, 29.07.2021 23:50 klafleur18
Cho hình thang cân ABCD (AB song song CD). Biết AB=26cm, AD=10cm và đường chéo AC vuông góc với cạnh bên BC. Tính diện tích hình thang ABCD
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Cho hình thang cân ABCD (AB song song CD). Biết AB=26cm, AD=10cm và đường chéo AC vuông góc với cạnh...
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