## Regular Polygons

Summary
The exploration of regular polygons reveals their unique properties and mathematical significance, emphasizing their equilateral and equiangular nature.
• Regular polygons are defined by having all sides equal (equilateral) and all angles equal (equiangular), distinguishing them from ordinary shapes.
• The sum of the angles in any polygon can be calculated using the formula (n - 2) * 180, where n is the number of sides, allowing for the determination of individual angles by dividing this sum by n.
• Examples provided include the regular pentagon, hexagon, and octagon, with specific angles calculated to illustrate the process.
• Heptagons are noted for their non-integer angle degrees, making their mathematical treatment less straightforward and thus not a focus of GMAT questions.
• A complex problem involving a regular octagon and its diagonals demonstrates how to apply knowledge of regular polygons to solve high-difficulty questions.
Chapters
00:00
Defining Regular Polygons
01:21
Calculating Angles in Regular Polygons
02:23
The Exception of Heptagons