How to determine the measure of each interior angle of a regular quadralateral

The video tutorial explains how to find the measure of each interior angle of a regular polygon. It introduces the formula for calculating interior angles and demonstrates its application using a quadrilateral as an example. The tutorial concludes by encouraging students to perform such calculations mentally.

What steps do you take to find the measure of an interior angle of a polygon?

Can you calculate the measure of an interior angle of a regular polygon in your head? Explain your reasoning.