Mathematics, 16.08.2021 06:30 RegencySlayer5304
Cho hình thang vuông ABCD có góc A bằng góc D (=90 độ), đường chéo BD vuông góc với cạnh bên BC và BD=BC
a) Tính các góc của hình thang
b) AB=3cm. Tính độ dài các cạnh BC, CD
Answers: 2
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Cho hình thang vuông ABCD có góc A bằng góc D (=90 độ), đường chéo BD vuông góc với cạnh bên BC và B...
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