Polygon Prefixes and Characteristics

The video tutorial introduces prefixes related to numbers three to ten, explaining their meanings and corresponding geometric shapes. It reviews these prefixes and helps identify shapes like triangles, quadrilaterals, and decagons. The video concludes with a discussion on the characteristics of polygons, emphasizing that they must have straight sides and be closed shapes.

What prefix is used to denote a shape with three sides?

• Penta

• Quad

• Hexa

• Tri

Which shape is associated with the prefix 'Quad'?

• Quadrilateral

• Pentagon

• Hexagon

• Triangle

What does the prefix 'Hepta' signify in terms of sides?

• Five

• Six

• Seven

• Eight

Which shape corresponds to the prefix 'Octo'?

• Octagon

• Heptagon

• Nonagon

• Decagon

What shape is identified by the prefix 'Tri'?

• Hexagon

• Pentagon

• Quadrilateral

• Triangle

Which shape has four sides and is associated with the prefix 'Quad'?

• Triangle

• Hexagon

• Quadrilateral

• Pentagon

What is the prefix for a shape with ten sides?

• Hepta

• Nona

• Deca

• Octo

Which prefix means nine sides?

• Deca

• Octo

• Nona

• Hexa

What is a necessary characteristic of a polygon?

• It must have more than ten sides

• It must have straight sides

• It must be open

• It must have curved sides

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

• Closed shape

• Straight sides

• Curved sides

• No breaks in vertices