Mathematics, 08.09.2021 17:10, helo55

một cái thang dài 4,8m dựa vào tường làm thành một góc 58 độ so với mặt đất. tính chiều cao của thang so với mặt đất ( làm tròn đến mét )

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một cái thang dài 4,8m dựa vào tường làm thành một góc 58 độ so với mặt đất. tính chiều cao của than...