MHB The Shortest Ladder to Reach Over a Fence

[leprofece]

342) a beam of 62, 50.m passes horizontally by 1 street 32 m wide to other street perpendlcular which is the width of the second street
?.
Answer 13.5 m

the omly thing is since the 2 streets are perpendicular Si₂-s² =62,50

 

[MarkFL]

If I am interpreting your statement of the problem correctly, I think it is similar to this one:

http://mathhelpboards.com/questions-other-sites-52/his-question-yahoo-answers-regarding-finding-shortest-ladder-will-reach-over-fence-9939.html

See if you can gain some insight from that and post your progress. :D