Question

求解一道数学题。英文描述的 高悬赏分！

An 6-metre ladder is leaning against the wall of an apartment block. One
point of the ladder is just touching the top of the 1.5 m high brick wall that
is 1.5 m away from the apartment block. A man is standing on the ladder
so that he can clean the windows of his apartment. How much of the ladder
is between the apartment block and the point of contact with the brick wall
and how much is between the point of contact and the ground ?
我是要答案……不是要翻译- - 我看的懂题- -
BD=DE=1.5， AC=6， 都是直角三角形。
求AB和BC

Answer 1

一个6米的梯子靠在墙上的公寓楼。一梯子的一点是刚刚接触的1.5米高的砖墙，高层距离是1.5米的公寓楼。一个人站在梯子上的这样他可以清理他的公寓的窗户。多少阶梯
之间的公寓楼和接触点的砖墙多少之间的接触点和地面？

Answer 2

1. x/1.5=(36-2.25)^0.5/6 x=1.45
2. y=(36-2.25)^0.5+1.5=7.31

追问

哥们儿您搞什么呢……- -

追答

x是第一个问题的答案，y是第二个的

追问

How much of the ladder
is between the apartment block and the point of contact with the brick wall
and how much is between the point of contact and the ground ?
这答案明显都应该是小于1的啊。…………

Answer 3

既然你看得懂题，那么还是你翻译成中文吧，这样就会有很多数学高手帮你解答了

Answer 4

......竟然在百度知道问数学题。。。

追问

XJ!!!! 这道题你会不？帮我答~

追答

完全看不懂。。。