An Introduction to Polygons

This video introduces polygons, explaining that they are shapes with straight sides. It distinguishes between regular polygons, which have equal sides and angles, and irregular polygons, which do not. The video lists common regular polygons, such as triangles, squares, and hexagons, along with their number of sides. It concludes with practice questions to identify polygon types and their properties.

What is a polygon?

• A shape with no sides

• A shape with straight sides

• A shape with only one side

• A shape with curved sides

Which of the following is true about regular polygons?

• All sides are of the same length

• They have no angles

• All interior angles are different

• They have sides of different lengths

How many sides does a hexagon have?

• Seven

• Six

• Five

• Eight

What is the name of a 9-sided polygon?

• Decagon

• Heptagon

• Nonagon

• Octagon

If a polygon has sides of varying lengths, what type is it?

• Isosceles

• Equilateral

• Irregular

• Regular