Properties and Names of Polygons

The video tutorial covers the classification of polygons based on the number of sides they have. It explains the names of polygons from three-sided triangles to twelve-sided dodecagons. The tutorial also discusses regular polygons, which have congruent sides and angles, and provides practice in identifying and classifying different polygons. Additionally, it covers the properties of regular polygons, such as equilateral triangles and squares, and how to calculate angles and side lengths in these shapes.

What is a polygon with three sides called?

• Quadrilateral

• Triangle

• Hexagon

• Pentagon

How is a polygon with seven sides named?

• Octagon

• Heptagon

• Septagon

• Nonagon

What is the name of a polygon with twelve sides?

• Decagon

• Dodecagon

• Nonagon

• Octagon

What is the name of a polygon with ten sides?

• Octagon

• Nonagon

• Decagon

• Pentagon

What is the term for a four-sided polygon?

• Quadrilateral

• Pentagon

• Hexagon

• Triangle

How many sides does a pentagon have?

• 4

• 5

• 6

• 7

If a polygon has all sides and angles equal, what is it called?

• Irregular Polygon

• Scalene Polygon

• Isosceles Polygon

• Regular Polygon

What is the measure of each angle in a regular hexagon?

• 180°

• 60°

• 120°

• 90°

What is a regular triangle also known as?

• Right Triangle

• Equilateral Triangle

• Scalene Triangle

• Isosceles Triangle

What is the measure of each angle in a square?

• 120°

• 180°

• 90°

• 60°