如图，从电线杆离地面3米高处向地面拉一条长为5米的拉线，这条拉线在地面的固定点距离电线杆底部有米._刷题宝

题干

如图，从电线杆离地面3米高处向地面拉一条长为5米的拉线，这条拉线在地面的固定点距离电线杆底部有（）米.

A：2

B：3

C：4

D：5

上一题下一题 0.0难度选择题更新时间:2018-02-23 07:04:03

答案(点此获取答案解析）

C

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