maiphuongvu2 maiphuongvu2

01-12-2019
Mathematics

contestada

Cau 5.Cho hình chóp S.ABCD có đáy ABCD là hình bình hành , tâm O. Gọi M là
trung diem SC
a) Tìm giao tuyến của mặt phẳng (SAC) và (SBD); (SAB) và (SCD):
b) Tìm giao điểm của AM và (SBD)
c) Chứng minh rằng:OM // (SAB).

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ibrahim305 ibrahim305

28-10-2020

Answer:

I don't understand try using mathxway

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