If a pair of opposite sides of a square is increased by 5cn each then the ratio of the sides of the?

Question

...  new  figure to the original figure is 3:2 .what is the original area of the square?

Answer

one side of a square : x
new figure :x+5

so  (x+5) : x = 3:2 
     3x = 2x+10
      x=10 

so the original area of the square is 10x10=100
I guess so?

If a pair of opposite sides of a square is increased by 5cn each then the ratio of the sides of the?

Answers (1)