Mathematics, 15.06.2021 06:20 jakiyahporter0817

Cho hình lăng trụ đứng ABC. A'B'C'. Có đáy ABC là tam giác vuông cân tại C với CA=CB=a. Trên đường chéo CA' lấy hai điểm M, N. Trên đường chéo AB' lấy được hai điểm P, Q sao cho MPNQ tạo thành một tứ diện đều. Tính thể tích khối lăng trụ ABC. A'B'C'

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Cho hình lăng trụ đứng ABC. A'B'C'. Có đáy ABC là tam giác vuông cân tại C với CA=CB=a. Trên đường c...

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