How to find the Perimeter of a Rectangle

The video tutorial explains how to calculate the perimeter of a rectangle using a formula. It begins with an introduction to the formula, followed by setting up an example problem with specific dimensions. The instructor then demonstrates a step-by-step solution to find the perimeter, emphasizing the substitution of values into the formula. Finally, the video clarifies the importance of measurement units, ensuring the result is expressed in inches.

Explain how substitution is used in the formula for perimeter.

What is the final measurement of the perimeter calculated in the example?