2-D Shapes Vocabulary

What is a polygon?

• An open plane figure made up of lone segments.
• Has 5 sides.
• Flies
• Is a closed plane figure made up of line segments.

What is a regular polygon?

• Has sides of equal length and angles of equal measure.
• Has 4 sides.
• Has 3 sides.
• Is really cool because it is regular.

What is a triangle?

• A polygon with 3 sides.
• A polygon with 8 sides.
• Not a polygon.
• Has 4 sides.

A polygon with 4 sides is a....

• triangle
• quadrilateral
• hexagon
• an arena

A polygon with 5 sides is a...

• pentagon
• hexagon
• rectangle
• nonagon

A hexagon is a...

• polygon with 9 sides.
• polygon with 6 sides.
• not a polygon.
• polygon with many sides.

Each of the line segments of a polygon is called a...

• side.
• length.
• width.
• perimeter.

What is an octagon?

• A polygon with 8 sides.
• A polygon with 10 sides.
• A polygon with 1 sides.
• Not a polygon.

The point where the sides of a polygon meet is called a...

• vertex or vertices
• point
• side
• corner

This is what is called a characteristic of a shape.

• attribute
• color
• shape
• size