If the area of a rectangle is 432 sq ft and one side is 12 ft long, how long is the other side?

To determine the length of the other side of the rectangle, you can use the formula for the area of a rectangle, which is:

Area = Length × Width.

In this case, the area is given as 432 square feet, and one side (let's say the length) is known to be 12 feet. To find the width (the other side), you would rearrange the formula to solve for the width:

Width = Area ÷ Length.

Substituting the known values into the formula gives:

Width = 432 sq ft ÷ 12 ft.

Carrying out the division:

Width = 36 ft.

Therefore, the other side of the rectangle is 36 feet long. This matches the option provided, confirming that 36 ft is the correct answer. Understanding the area formula for rectangles is crucial for solving similarly structured problems in geometry and applications related to pipefitting and construction.