Worksheet: Polygons and Nonpolygons

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?

  • Ano
  • Byes

Q3:

How many polygons are there in the following figure?

Q4:

True or false? A polygon has the same number of sides as vertices.

  • A true
  • B false

Q5:

Is the given shape a polygon?

  • Ayes
  • Bno

Q6:

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

  • A always
  • B never
  • C sometimes

Q7:

Which of these is a polygon?

  • A
  • B
  • C

Q8:

Choose the square.

  • A
  • B
  • C
  • D
  • E

Q9:

Choose the trapezoid.

  • A
  • B
  • C
  • D
  • E

Q10:

Fill the blank: Each line segment in a polygon is called a .

  • A diameter
  • B radius
  • C ray
  • D side
  • E diagonal

Q11:

Is the given shape a polygon?

  • Ano
  • Byes

Q12:

Is the given shape a polygon?

  • Ano
  • Byes

Q13:

Which statement is true about these figures?

  • AThese are all polygons.
  • BThere is only one polygon.
  • CNone of these are polygons.
  • DThere are two polygons.

Q14:

What shape is this?

  • A a triangle
  • B a hexagon
  • C a quadrilateral
  • D an octagon
  • E a pentagon

Q15:

Which polygon has 8 sides and 8 angles?

  • A a quadrilateral
  • B a pentagon
  • C a triangle
  • D an octagon
  • E a hexagon

Q16:

Which polygon has 5 sides and 5 angles?

  • A a quadrilateral
  • B a hexagon
  • C a triangle
  • D a pentagon
  • E an octagon

Q17:

Determine whether the following sentence is true or false: A polygon that has five angles is called a heptagon.

  • A false
  • B true

Q18:

True or false? To draw a polygon, you must draw at least three line segments.

  • A true
  • B false

Q19:

Daniel made a triangle using 3 toothpicks. He now wants to change the triangle into a pentagon. How many more toothpicks does he need?

Q20:

Is the following figure a polygon?

  • Ano
  • Byes

Q21:

Is the following figure a polygon?

  • Ayes
  • Bno

Q22:

Is the given shape a polygon?

  • Ayes
  • Bno

Q23:

Is the following figure a polygon?

  • Ano
  • Byes

Q24:

Is the given shape a polygon?

  • Ano
  • Byes

Q25:

Is the given shape a polygon?

  • Ayes
  • Bno

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