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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Ответ:

anikalee

13.10.2022

Mathematics

answer:

x=3

Step-by-step explanation:

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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 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)