If the room is a 14 by 12' rectangle then the strip of wallpaper needs to be at least how long?

52 ft.

Step-by-step explanation:

In this case, we need to calculate a perimeter, which is the sum of all sides of the rectangle.

So, rectangles has opposite sides equal, therefore, the perimeter should be:

; having L as the larger side.

Hence, the strip of wallpaper needs to be as least 52 ft.

i think da answer is

d.square root of 3