Mathematics, 31.10.2021 05:20 phillipsalexis274

Câu 1. Cho hình chóp đều S. ABC tâm đáy là O. Tính thể tích của hình chóp biết: a. Tam giác ABC có cạnh bằng a, SO = 2a.
b. Tam giác ABC có cạnh bằng 2a, góc giữa cạnh bên và cạnh đáy bằng
0
30 .
c. Tam giác ABC có cạnh bằng 2, góc giữa mặt bên và mặt đáy bằng
0
60 .

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Câu 1. Cho hình chóp đều S. ABC tâm đáy là O. Tính thể tích của hình chóp biết: a. Tam giác ABC có...

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