SOLUTION: if each edge of a square is increased %50 how does the area change

Algebra ->  Surface-area -> SOLUTION: if each edge of a square is increased %50 how does the area change      Log On


   

Question 878557: if each edge of a square is increased %50 how does the area change
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Similar
==============
Surface area is a function of the square of the dimensions.
SA = k*s^2
SA*x = k*(0.9s)^2 = k*0.81s^2
--> 19% decrease