Rewrite the statements below into conditional (“If …, then …”) form.  

1. The area of a rectangle with base $x$ and height $2x$ is $2x^2$.

   Answer (a):

   If a rectangle has base $x$ and height $2x$, then the area is $2x^2$.

2. The perimeter of a rectangle with base $x$ and height $3y$ is $2x+6y$.

   Answer (b):

   If a rectangle has base $x$ and height $3y$, then the perimeter is $2x+6y$.

3. A rectangle with base $2$ feet and height $3$ feet has an area of $864$ square inches.