Learn to find the sum of interior angles given one exterior angle for a polygon ex 1

The video tutorial explains two methods to solve for the exterior angles of a polygon. The first method involves calculating the interior angles using a formula and solving for the number of sides. The second, simpler method uses the fact that the sum of exterior angles is always 360 degrees. By dividing 360 by the measure of one exterior angle, the number of sides is determined. Both methods are valid, but the second is quicker. The tutorial concludes with the calculation of the sum of interior angles for a regular polygon.

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