一只蚂蚁从O点出发,沿北偏东45°的方向爬了2.5cm,碰到障碍物(记做B点)后向北偏西60°的方向,爬行3cm(记做C点)(1)画出爬行路线(2)量出∠OBC的度数(3)量出C点到O点的距离(精确到0.1c
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/08 23:10:29
![一只蚂蚁从O点出发,沿北偏东45°的方向爬了2.5cm,碰到障碍物(记做B点)后向北偏西60°的方向,爬行3cm(记做C点)(1)画出爬行路线(2)量出∠OBC的度数(3)量出C点到O点的距离(精确到0.1c](/uploads/image/z/4729871-47-1.jpg?t=%E4%B8%80%E5%8F%AA%E8%9A%82%E8%9A%81%E4%BB%8EO%E7%82%B9%E5%87%BA%E5%8F%91%2C%E6%B2%BF%E5%8C%97%E5%81%8F%E4%B8%9C45%C2%B0%E7%9A%84%E6%96%B9%E5%90%91%E7%88%AC%E4%BA%862.5cm%2C%E7%A2%B0%E5%88%B0%E9%9A%9C%E7%A2%8D%E7%89%A9%EF%BC%88%E8%AE%B0%E5%81%9AB%E7%82%B9%EF%BC%89%E5%90%8E%E5%90%91%E5%8C%97%E5%81%8F%E8%A5%BF60%C2%B0%E7%9A%84%E6%96%B9%E5%90%91%2C%E7%88%AC%E8%A1%8C3cm%EF%BC%88%E8%AE%B0%E5%81%9AC%E7%82%B9%EF%BC%89%EF%BC%881%EF%BC%89%E7%94%BB%E5%87%BA%E7%88%AC%E8%A1%8C%E8%B7%AF%E7%BA%BF%EF%BC%882%EF%BC%89%E9%87%8F%E5%87%BA%E2%88%A0OBC%E7%9A%84%E5%BA%A6%E6%95%B0%EF%BC%883%EF%BC%89%E9%87%8F%E5%87%BAC%E7%82%B9%E5%88%B0O%E7%82%B9%E7%9A%84%E8%B7%9D%E7%A6%BB%EF%BC%88%E7%B2%BE%E7%A1%AE%E5%88%B00.1c)
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