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Câu 3:

Tính bán kính r của mặt cầu có diện tích là ${\rm{S}} = 16\pi (c{m^2})$

Câu 3: Tính bán kính r của mặt cầu có diện tích là S=16π(cm2){\rm{S}} = 16\pi (c{m^2})S=16π(cm2).

Thông tin câu hỏi

Câu 3:

Tính bán kính r của mặt cầu có diện tích là ${\rm{S}} = 16\pi (c{m^2})$ .