坡度45度高90米求斜长=多少M?

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坡度45度高90米求斜长=多少M?
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坡度45度高90米求斜长=多少M?
坡度45度高90米求斜长=多少M?

坡度45度高90米求斜长=多少M?
90/sin45°=90/(√2/2)=127.27922061357855439215198517887(米)

90/tan(45°)=45*2^0.5

90/sin45°=90/(√2/2)=127.27922061357855439215198517887(米)

=90/sin45°=105.7699227m