SOLUTION: A painting of farmland around Lancaster is 9 inches wide and 12 inches long. What is the length of the diagonal of the picture?

Algebra ->  Rectangles -> SOLUTION: A painting of farmland around Lancaster is 9 inches wide and 12 inches long. What is the length of the diagonal of the picture?      Log On


   

Question 188211: A painting of farmland around Lancaster is 9 inches wide and 12 inches long. What is the length of the diagonal of the picture?
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
9^2+12^2=d^2
81+144=d^2
225=d^2
d=sqrt225
d=15 is the length of the diagonal.