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Mathematics, 01.12.2019 06:31 Shybaby5019

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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Answers: 1

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Cau 5.cho hình chóp s. abcd có đáy abcd là hình bình hành , tâm o. gọi m là
trung diem sc
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