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Một cột đèn cao 7m có bóng trên mặt đất dài 4 m. Hãy tính góc (làm tròn đến phút) mà tia sáng mặt trời tạo với mặt đất
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Một cột đèn cao 7m có bóng trên mặt đất dài 4 m. Hãy tính góc (làm tròn đến phút) mà tia sáng mặt trời tạo với mặt đất
Mathematics
high-school
Prasann
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Answer:
tg a = 7/4 => a ≈ 60°15'. chúc bạn thành công.
Fssilva
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Nov 25, 2022
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