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Mathematics, 03.05.2022 22:00 jyfye6918
Cho hchóp S. ABC có đáy là tam giác vuông tại B, SA , O là trung điểm BC
a) Chứng minh các mặt bên là các tam giác vuông?
b) Xác định góc giữa (SBC) và (ABC)
c) Tìm các khoảng cách d(A,(SBC) ; d(O,(SBC); d(AC, SB)
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Cho hchóp S. ABC có đáy là tam giác vuông tại B, SA , O là trung điểm BC
a) Chứng minh các mặt bên...
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