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Mathematics, 20.07.2021 19:00 natimike10
Cho hình chóp SABCD , ABCD là hình thang vuông tại A và B , SA vuông góc với ( ABCD) . Khẳng định nào sai A. CD VUÔNG GÓC ( SBC) B. BC VUÔNG GÓC ( SAB) C CD VUÔNG GÓC ( SAC) D. AB VUÔNG GÓC ( SAD)
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Cho hình chóp SABCD , ABCD là hình thang vuông tại A và B , SA vuông góc với ( ABCD) . Khẳng định nà...
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