Basic Terms of Polygons

A polygon is a plane figure enclosed by _ three line segments.

Which of the following is NOT a polygon?

• 
• 
• 
• 

How many interior angles are there in a hexagon?

• 4

• 5

• 6

• 7

How many sides are there in a pentagon?

• 4

• 5

• 6

• 7

How many vertices are there in a heptagon?

• 4

• 5

• 6

• 7

What is the name of the above polygon?

• AEBDC

• BDCAE

• ABEDC

• DCBAE

Which of the following is NOT a side of the above pentagon?

• AB

• BC

• CD

• BE

Which of the following is/are the symbol(s) representing the marked angle in the above pentagon?

• 
• 
• 
• 

Which of the following are the properties of regular polygon?

• All interior angles are equal.

• All sides are equal.

• All interior angles are 90 degrees.

• All interior angles are 60 degrees.

What concepts have you learnt today?