Cho hình lập phương ABCD.A'B'C'D' có tất cả các cạ...
Câu hỏi: Cho hình lập phương ABCD.A'B'C'D' có tất cả các cạnh bằng 1. Gọi M là trung điểm của BB'.Tính thể tích khối A'MCD![](data:image/png;base64,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)
A. \(\frac{1}{{12}}.\)
B. \(\frac{2}{{15}}.\)
C. \(\frac{4}{{15}}.\)
D. \(\frac{1}{{28}}.\)
Câu hỏi trên thuộc đề trắc nghiệm
Đề thi thử THPT QG năm 2019 môn Toán Trường THPT Chuyên Quang Trung - Bình Phước lần 2