The small rectangle was enlarged to create the big rectangle. what is the missing measure on the big rectangle?

The missing measure on the big rectangle = 30 ft.

Step-by-step explanation:

Given: The small rectangle was enlarged or dilated to create the big rectangle.

The dimensions of the small rectangle is 2 ft buy 12 ft.

Since we know that the scale factor of dilation is the ratio of the corresponding sides of the image to the pre-image

The scale factor (k) of dilation is given by :-

Now, the length of the big rectangle is given by :-