Properties and Names of Polygons

This video tutorial covers the topic of polygons, focusing on regular and irregular polygons. It explains the characteristics of regular polygons, which have equal sides and angles, and contrasts them with irregular polygons. The video also details how polygons are named based on the number of sides, using Greek-derived prefixes. It provides examples of polygons with sides ranging from three to twenty, such as triangles, quadrilaterals, pentagons, and more. The tutorial concludes with a quiz to test the viewer's understanding of the material covered.

What is a regular polygon?

• A polygon with equal sides and angles

• A polygon with no sides

• A polygon with curved edges

• A polygon with different sides and angles

What does the prefix 'poly' mean?

• One

• Few

• Many

• Two

Which of the following is not a characteristic of a polygon?

• It has many sides

• It is a two-dimensional figure

• It has curved edges

• It has many angles

What is a polygon with three sides called?

• Quadrilateral

• Hexagon

• Triangle

• Pentagon

What is a polygon with four sides commonly known as?

• Heptagon

• Hexagon

• Tetragon

• Pentagon

How many sides does a hexagon have?

• Eight

• Seven

• Six

• Five

What is a polygon with seven sides called?

• Heptagon

• Hexagon

• Octagon

• Nonagon

What is the name of a polygon with nine sides?

• Dodecagon

• Hendecagon

• Decagon

• Nonagon

What is a polygon with ten sides called?

• Tridecagon

• Decagon

• Hendecagon

• Dodecagon

What is the name of a polygon with twelve sides?

• Tridecagon

• Dodecagon

• Tetradecagon

• Pentadecagon