SOLUTION: a rectangle is 9cm longer than it is wide. its perimeter is 58cm. what are the dimensions of the rectangle?

Algebra ->  Rectangles -> SOLUTION: a rectangle is 9cm longer than it is wide. its perimeter is 58cm. what are the dimensions of the rectangle?      Log On


   

Question 439951: a rectangle is 9cm longer than it is wide. its perimeter is 58cm. what are the dimensions of the rectangle?
Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
2(x)+2(x+9)=58
4x+18=58
4x=40
x=10
The rectangle is 10x19cm..