Polygons

What is a polygon?

• It is a closed figure.

• It is a union of non-collinear segments on a plane that meet at their endpoints so that each endpoint is contained by exactly two segments.

• It is a closed figure with curved sides.

• All of the above.

Which of the following figures is a polygon?

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• 
• 
• 

How many sides does a decagon have?

• 7

• 8

• 9

• 10

What is the name of the segment connecting two consecutive vertices?

• angles

• diagonal

• ray

• side

What is the name of the polygon having 8 sides?

• triangle

• heptagon

• octagon

• dodecagon

What is the name of the given polygon?

• polygon ABCD

• polygon ACDB

• polygon ABDC

• polygon DBCA

What is the name of the polygon having 5 sides?

• pentagon

• heptagon

• nonagon

• undecagon

Which of the following is not a polygon?

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• 
• 
• 

How many sides does a nonagon have?

• 7

• 8

• 9

• 10

It is a polygon with 11 sides?

• Quadrilateral

• Pentagon

• Undecagon

• Dodecagon