Instructional Video4:32
Brian McLogan

Given the number of sides of a regular polygon find the measure of each interior angle

12th - Higher Ed
👉 Learn how to determine the measure of the interior angles of a regular polygon. A polygon is a plane shape bounded by a finite chain of straight lines. A regular polygon is a polygon whose sides are congruent (equal). The interior...
Instructional Video4:06
Brian McLogan

Determine the measure of interior and exterior angles for a hexagon

12th - Higher Ed
👉 Learn how to determine the measure of the interior angles of a regular polygon. A polygon is a plane shape bounded by a finite chain of straight lines. A regular polygon is a polygon whose sides are congruent (equal). The interior...
Instructional Video
Khan Academy

Khan Academy: Geometry: Sum of Interior Angles of a Polygon

9th - 10th
Demonstrates how to generalize the formula for finding the interior angle sum of a polygon by noticing how many non-overlapping triangles a polygon can be broken into. Practice problems available. [9:10]