Cho hình chóp tam giác đều \(S.ABC\) có cạnh \(AB...
Câu hỏi: Cho hình chóp tam giác đều \(S.ABC\) có cạnh \(AB\) bằng \(a,\) góc tạo bởi hai mặt phẳng \((SAB)\) và \((ABC)\) bằng \({{60}^{0}}.\) Diện tích xung quanh của hình nón đỉnh \(S\) và có đường tròn đáy ngoại tiếp tam giác \(ABC\) bằng ![](data:image/png;base64,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)
A \(\frac{\sqrt{7}\pi {{a}^{2}}}{6}.\)
B \(\frac{\sqrt{7}\pi {{a}^{2}}}{3}.\)
C \(\frac{\sqrt{3}\pi {{a}^{2}}}{2}.\)
D \(\frac{\sqrt{3}\pi {{a}^{2}}}{6}.\)
Câu hỏi trên thuộc đề trắc nghiệm
Đề thi thử THPT QG môn Toán THPT Chuyên Đại học Vinh - Lần 3 -năm 2018 (có lời giải chi tiết)