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