有一棵大树AB,被风吹歪后与地面所成的夹角为60°,在太阳光的照射下,该树在地面上的影长BC为(6+3根号3)m,如图所示,已知1m的标杆在该处时的影长为1/2m,则这棵大树的高为多少?
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/11 01:13:33
![有一棵大树AB,被风吹歪后与地面所成的夹角为60°,在太阳光的照射下,该树在地面上的影长BC为(6+3根号3)m,如图所示,已知1m的标杆在该处时的影长为1/2m,则这棵大树的高为多少?](/uploads/image/z/13540450-58-0.jpg?t=%E6%9C%89%E4%B8%80%E6%A3%B5%E5%A4%A7%E6%A0%91AB%2C%E8%A2%AB%E9%A3%8E%E5%90%B9%E6%AD%AA%E5%90%8E%E4%B8%8E%E5%9C%B0%E9%9D%A2%E6%89%80%E6%88%90%E7%9A%84%E5%A4%B9%E8%A7%92%E4%B8%BA60%C2%B0%2C%E5%9C%A8%E5%A4%AA%E9%98%B3%E5%85%89%E7%9A%84%E7%85%A7%E5%B0%84%E4%B8%8B%2C%E8%AF%A5%E6%A0%91%E5%9C%A8%E5%9C%B0%E9%9D%A2%E4%B8%8A%E7%9A%84%E5%BD%B1%E9%95%BFBC%E4%B8%BA%EF%BC%886%2B3%E6%A0%B9%E5%8F%B73%EF%BC%89m%2C%E5%A6%82%E5%9B%BE%E6%89%80%E7%A4%BA%2C%E5%B7%B2%E7%9F%A51m%E7%9A%84%E6%A0%87%E6%9D%86%E5%9C%A8%E8%AF%A5%E5%A4%84%E6%97%B6%E7%9A%84%E5%BD%B1%E9%95%BF%E4%B8%BA1%2F2m%2C%E5%88%99%E8%BF%99%E6%A3%B5%E5%A4%A7%E6%A0%91%E7%9A%84%E9%AB%98%E4%B8%BA%E5%A4%9A%E5%B0%91%3F)
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