旗杆的影子长6米,同时测得旗杆顶端到其影子顶端的距离是10米,

 旗杆的影子长6米,同时测得旗杆顶端到其影子顶端的距离是10米,如果此时附近的小树影子长3米,那么小树高是___________.

答案

4

【解析】如图,由题意得,AC=10米,BC=6米,在RtABC中,AB==8米;∵△ABC∽△A'B'C'
,即,解得A'B'=4,即小树高为4m


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