Find the width of the first rectangle.
5+5= 10
14-10=4
4/2=2
The width is 2.
The width of the similar rectangle is 9.
9/2= 4.5
5*4.5= 22.5
The length is 22.5, and the width is 9.
9+9+22.5+22.5= 63
The perimeter of the similar rectangle is 63 feet.
I hope this helps!
~kaikers
