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Toán 12: Cho hình chóp S.ABC có đáy ABC là tam giác đều cạnh bằng 2, SA vuông góc với đáy và SA =1
1 month ago
110
Cho hình chóp S.ABC có đáy ABC là tam giác đều cạnh bằng 2, SA vuông góc với đáy và SA
bằng 1. Thiết lập hệ tọa độ như hình vẽ bên dưới.
#oxyzgeometry #ToanLop12
#hinhhockhonggianoxyz
#HinhHocOxyz
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