SOLUTION: If I have a 10" laptop screen and move up to a 12" screen size, what is the percentage of increase in size? Is there a formula that I can easily use to apply this to any size scree

Algebra ->  Percentages: Solvers, Trainers, Word Problems and pie charts -> SOLUTION: If I have a 10" laptop screen and move up to a 12" screen size, what is the percentage of increase in size? Is there a formula that I can easily use to apply this to any size scree      Log On


   

Question 281565: If I have a 10" laptop screen and move up to a 12" screen size, what is the percentage of increase in size? Is there a formula that I can easily use to apply this to any size screen?
Thank you.
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Screen area is a function of the square of the diagonal (if the aspect ratios are equal).
12 vs 10 --> 144 vs 100 in area
= 44% more area
-----------------
For a general equation:
(a/b)^2
(12/10)^2 = 1.44 times as much area