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19-09-2021
Mathematics

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Cho hình chóp S ABCD . có đáy ABCD là hình thoi cạnh a và góc BAD =  60 , SA ABCD ⊥( ).
Biết rằng khoảng cách từ A đến cạnh SC bằng a . Thể tích khối chóp S ABCD . là

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19-09-2021

Answer:

Cho hình chóp S ABCD . có đáy ABCD là hình thoi cạnh a và góc BAD =  60 , SA ABCD ⊥( ).

Biết rằng khoảng cách từ A đến cạnh SC bằng a . Thể tích khối chóp S ABCD . là

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