Mathematics, 23.10.2021 20:10 blakeley7785

cho hình S. ABCD, ABCD là hình chữ có AB=a, AD=2a. Hình chiếu từ đỉnh xuống đáy là điểm thuộc AC sao AH= $\frac{1}{3}$ AC, SA=. Thể tích hình chóp S. ABCD bằng

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cho hình S. ABCD, ABCD là hình chữ có AB=a, AD=2a. Hình chiếu từ đỉnh xuống đáy là điểm thuộc AC sao...

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cho hình S. ABCD, ABCD là hình chữ có AB=a, AD=2a. Hình chiếu từ đỉnh xuống đáy là điểm thuộc AC sao AH=AC, SA=. Thể tích hình chóp S. ABCD bằng

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cho hình S. ABCD, ABCD là hình chữ có AB=a, AD=2a. Hình chiếu từ đỉnh xuống đáy là điểm thuộc AC sao AH= $\frac{1}{3}$ AC, SA=. Thể tích hình chóp S. ABCD bằng