Tessa designs a supply closet as an addition to her house. The closet is pictured, and its total area is 144 square feet. What is the length in feet of the side of the supply closet labeled with the question mark?
6f
16ft
4ft
?
The closet is in the shape of a square with an area of 144 square feet.
To find the side length, we need to find the square root of 144.
√144 = 12
So, the length of the side labeled with the question mark is 12 feet.