SOLUTION: You have a 15 ft. ladder, if it has to be 2 ft. away for every 5 ft. of ladder length, how far up the wall would the ladder reach?

Algebra ->  Surface-area -> SOLUTION: You have a 15 ft. ladder, if it has to be 2 ft. away for every 5 ft. of ladder length, how far up the wall would the ladder reach?       Log On


   

Question 896612: You have a 15 ft. ladder, if it has to be 2 ft. away for every 5 ft. of ladder length, how far up the wall would the ladder reach?
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
a^2+6^2=15^2
a^2+36=225
a^2=225-36
a^2=189
a=sqrt189
a=13.7 ft