Exploring the World of Polygons

What defines a shape as a polygon?

• A three-dimensional object

• A flat shape with straight, fully closed sides

• A shape with at least one open side

• A shape with any number of curved sides

Which of the following is not a polygon?

• Pentagon

• Square

• Triangle

• Circle

What is a regular polygon?

• A polygon with only right angles

• A polygon where all sides and angles are equal

• A polygon that can fit into a circular shape

• A shape with sides of varying lengths

Which polygon is defined by having sides of different lengths or angles?

• Irregular polygon

• Equilateral polygon

• Regular polygon

• Symmetric polygon

Which polygon has five sides?

• Hexagon

• Triangle

• Heptagon

• Pentagon

How many sides does a decagon have?

• Nine

• Seven

• Eight

• Ten

What special name is given to a regular quadrilateral?

• Parallelogram

• Square

• Rhombus

• Rectangle

What type of triangle is considered a regular polygon?

• Isosceles triangle

• Right angle triangle

• Scalene triangle

• Equilateral triangle

What is the interior angle of a regular pentagon?

• 90 degrees

• 100 degrees

• 108 degrees

• 120 degrees

What formula is used to calculate the interior angles of a regular polygon?

• (n - 2) x 180 / n

• 180 x (n - 2) / n

• n x 180 / (n - 2)

• (n + 2) x 180 / n