What is the formula to find the perimeter of a rectangle?

The formula to find the perimeter of a rectangle is derived from the definition of perimeter, which is the total distance around the shape. A rectangle has two lengths and two widths. Therefore, to calculate the perimeter, you add together the lengths of all four sides.

The formula is expressed as:

Perimeter = Length + Length + Width + Width

This can be simplified to:

Perimeter = 2(Length) + 2(Width) or Perimeter = 2(Length + Width).

Thus, the correct option reflects this calculation by stating that the perimeter is equal to 2 times the sum of the length and width. This is why the selected answer accurately represents the mathematical relationship required to find the perimeter of a rectangle. Other choices do not align with this formula, as they either represent different calculations or insufficiently describe the perimeter.