Grade 4Yellow: Regular and Irregular Polygons

They are all polygons whose sides and angles are equal.

What is it?

• REGULAR POLYGONS

• IRREGULAR POLYGONS

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

Is this polygon regular or irregular?

• Regular

• Irregular

What shape am I ?

• Regular pentagon

• Irregular Pentagon

What shape am I ?

• Regular quadrilateral

• Irregular quadrilateral

Which shape is irregular?

• 
• 

In what way(s) can this shape be classified?

• polygon

• quadrilateral

• rectangle

• All of the above

• None of the above

Which polygon is this?

• quadrilateral

• nonagon

• heptagon

• octagon