Using the exterior angle sum theorem to find the value of x

The video tutorial covers the calculation of interior and exterior angles in polygons. It begins by explaining how to find the sum of interior angles using the formula (n-2) * 180, where n is the number of sides. The tutorial then shifts focus to exterior angles, emphasizing that their sum is always 360 degrees, regardless of the number of sides. The instructor sets up an equation to solve for unknown exterior angles and demonstrates the process of combining like terms and solving for x. The tutorial concludes with a step-by-step solution to the equation, reinforcing the concepts of angle sums and algebraic manipulation.

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