标题: OG11-綠DS87 [打印本页] 作者: Kath1985 时间: 2010-3-30 15:35 标题: OG11-綠DS87 [attachimg=481,296]76379[/attachimg] In the figure above, segmentsRSandTUrepresent two positions of the same ladder leaning against the side SV of a wall. The length of TV is how much greater than the length of RV?
(1) The length of TU is 10 meters (2) The length of RV is 5 meters