Mathematics, 11.08.2021 14:00 gabrielaaaa1323

Cho hình chóp SABCD có ABCD là hình vuông tâm O cạnh 2a, SA vuông góc (ABCD), SC=4a. Gọi M là trung điểm SC a/ Tính thể tích S. ABCD, S. OCD, M. ABC
b/ Tính góc giữa SC và mặt đáy
c/ Tính khoảng cách từ A đến (SBC)
d/ Tính khoảng cách từ O đến (SCD)

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Cho hình chóp SABCD có ABCD là hình vuông tâm O cạnh 2a, SA vuông góc (ABCD), SC=4a. Gọi M là trung...