SOLUTION: If the sides of a square are lengthened by 6 cm, the area becomes 225 cm^2. Find the length of a side of the original square. The length of the side of an original square is how ma

Algebra ->  Points-lines-and-rays -> SOLUTION: If the sides of a square are lengthened by 6 cm, the area becomes 225 cm^2. Find the length of a side of the original square. The length of the side of an original square is how ma      Log On


   

Question 330616: If the sides of a square are lengthened by 6 cm, the area becomes 225 cm^2. Find the length of a side of the original square. The length of the side of an original square is how many cm?
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


The new square has to have sides of 15, so the old square had sides of 15 - 6 = 9.


John

My calculator said it, I believe it, that settles it