The area will decrease by a factor of 9.

The area will decrease by a factor of 36.

The area will decrease by a factor of 1 over 4 1 4 .

The area will decrease by a factor of 1 over 9 1 9 .

The area will decrease by a factor of 4.

The area will decrease by a factor of 6.

The area will decrease by a factor of 1 over 6 1 6 .