Classifying Types of Polygons in 5th Grade Math

What is a polygon with three sides called?

• Quadrilateral

• Hexagon

• Triangle

• Pentagon

If a quadrilateral has all sides congruent, what is it called?

• Regular quadrilateral

• Rhombus

• Rectangle

• Square

What is a regular pentagon?

• A polygon with five angles

• A five-sided figure with only angles equal

• A five-sided figure with all sides and angles equal

• A five-sided figure with unequal sides

What type of polygon is a hexagon with all sides congruent?

• Regular hexagon

• Irregular hexagon

• Heptagon

• Octagon

Identify a seven-sided polygon.

• Octagon

• Hexagon

• Nonagon

• Heptagon

What is the name of a polygon with ten sides?

• Dodecagon

• Nonagon

• Decagon

• Hendecagon

Which polygon has 12 sides?

• Dodecagon

• Decagon

• Nonagon

• Hendecagon

Which statement is true for a regular dodecagon?

• It has 10 sides

• It has 12 unequal sides

• It has 12 sides and all sides and angles are congruent

• It has 12 angles but sides are not congruent

Which polygon is described as having six sides but not necessarily congruent sides or angles?

• Irregular hexagon

• Triangle

• Regular hexagon

• Hexagon

What distinguishes a regular octagon from an octagon?

• Number of angles

• Congruency of sides and angles

• Size of angles

• Number of sides