The video tutorial explains how to classify polygons based on the number of sides they have. It introduces common polygons such as triangles, quadrilaterals, pentagons, hexagons, heptagons, octagons, nonagons, and decagons. The tutorial provides examples of classifying polygons by counting their sides and concludes with a recap of the lesson.

What is the basis for classifying polygons in this lesson?

• Length of the sides

• Size of the angles

• Number of sides

• Color of the polygon

What is a polygon with three sides called?

• Pentagon

• Quadrilateral

• Hexagon

• Triangle

Which of the following is a polygon with four sides?

• Hexagon

• Triangle

• Quadrilateral

• Pentagon

Identify the name of a polygon with five sides.

• Pentagon

• Octagon

• Hexagon

• Heptagon

What is the name of a polygon with six sides?

• Nonagon

• Hexagon

• Heptagon

• Octagon

A polygon with seven sides is known as a?

• Octagon

• Hexagon

• Decagon

• Heptagon

What do you call a polygon with eight sides?

• Nonagon

• Octagon

• Heptagon

• Decagon

Which polygon has nine sides?

• Nonagon

• Decagon

• Octagon

• Heptagon

What is the name of a ten-sided polygon?

• Nonagon

• Decagon

• Octagon

• Heptagon

If a polygon has eight sides, what is it classified as?

• Hexagon

• Octagon

• Decagon

• Nonagon