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Mathematics, 16.06.2021 08:30 yoyo5752

Cho hình chóp S. ABCD có đáy ABCD là hình vuông cạnh a, cạnh SA vuông góc với đáy, góc giữa SC và mp(SAD) bằng 30 độ. Tính thể tích khối chóp S. ABCD

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Cho hình chóp S. ABCD có đáy ABCD là hình vuông cạnh a, cạnh SA vuông góc với đáy, góc giữa SC và mp...

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