# Lesson Worksheet: Polygons and Nonpolygons Mathematics

In this worksheet, we will practice identifying a polygon among two-dimensional figures.

Q1:

Is the following figure a polygon? • Ayes
• Bno

Q2:

Is the following figure a polygon? • Ayes
• Bno

Q3:

How many polygons are there in the following figure? Q4:

Is the given shape a polygon? • AYes
• BNo

Q5:

Choose the missing word to make this statement true: A closed figure is a polygon.

• Asometimes
• Balways
• Cnever

Q6:

Which of these is a polygon?

• A • B • C Q7:

Is the given shape a polygon? • AYes
• BNo

Q8:

Is the given shape a polygon? • ANo
• BYes

Q9:

Which statement is true about these figures? • AThere are two polygons.
• BThere is only one polygon.
• CNone of these are polygons.
• DThese are all polygons.

Q10:

True or False: A polygon that has five angles is called a heptagon.

• ATrue
• BFalse

Q11:

True or False: To draw a polygon, you must draw at least three line segments.

• AFalse
• BTrue

Q12:

Is the following figure a polygon? • AYes
• BNo

Q13:

Is the following figure a polygon? • AYes
• BNo

Q14:

Is the given shape a polygon? • AYes
• BNo

Q15:

Is the following figure a polygon? • ANo
• BYes

Q16:

Is the given shape a polygon? • ANo
• BYes

Q17:

Is the given shape a polygon? • AYes
• BNo

Q18:

Is this a polygon? • ANo
• BYes

Q19:

How many polygons are there in this figure? Q20:

Which of the shapes is not a polygon?

• A
• B
• C
• D

Q21:

How many 10-sided polygons are on the clown? Q22:

Is this a polygon? • ANo
• BYes

Q23:

I want to join two vertices in this shape with a straight line so I create two polygons: one with four sides and one with six sides. Which vertices could I join? • A
• B
• C
• D

Q24:

Is the following figure a polygon? • AYes
• BNo

Q25:

Sophia has sorted these shapes into polygons and not polygons. Fill in the blank: All polygons are closed and .

• Ahave more than 4 edges (sides)
• Bhave curves
• Chave straight edges (sides)

Which of these is a polygon?

• A • B • C 