Polygons, Lines of Symmetry and Congruence

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

• Angles

• Close Shape

• Vertex

• Open Shape

Which shape is not a polygon?

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A polygon has to have

• at least two sides
• at least three sides
• four or more sides
• no sides

Which of the following shapes are not polygons?

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A polygon is:

• An open shape with the same sides and angles

• Polygons are 2-dimensional shapes. They are made of straight lines, and the shape is "closed" (all the lines connect up).

• A 3d shape that is not joined by lines.

An irregular polygon is:

• A polygon with different sides and different angles.

• A polygon with congruent Vertex

• A polygon with congruent sides and congruent angles

• Is not a Polygon

Are these shapes regular or irregular polygons?

• regular

• irregular

What is a regular polygon?

• Polygon with all sides congruent
• Polygon with all angles congruent
• Polygon with all sides and angles congruent
• Polygon with no sides or angles congruent

Are these shapes regular or irregular polygons?

• regular

• irregular

The polygon is

• Regular

• Irregular