Mathematics, 22.07.2021 22:10 dariusardelean8700

Cho hình chóp S. ABCD đáy ABCD là hình thang, AD=2BC. Gọi I là trung điểm AD, M là điểm thuộc SD. Xác định thiết diện của hình chóp cắt bởi mặt phẳng (MBI)

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Cho hình chóp S. ABCD đáy ABCD là hình thang, AD=2BC. Gọi I là trung điểm AD, M là điểm thuộc SD. Xá...