# Worksheet: Classifying Polygons

In this worksheet, we will practice sorting and classifying polygons into groups by considering properties like the number of sides and angles; whether the sides are parallel or perpendicular; and whether the angles are acute, right, or obtuse.

Q1:

Which of these shapes never has parallel sides?

• Arhombus
• Bsquare
• Ctriangle
• Dtrapezoid
• Erectangle

Q2:

Which of these is not equal to the number of sides of a polygon?

• Athe number of angles of the polygon
• Bthe number of diagonals of the polygon
• Cthe number of vertices of the polygon

Q3:

What kind of polygon is this? • Asquare
• Btrapezoid
• Cparallelogram
• Drhombus

Q4:

Name the shape that matches this description.

• It has 5 sides.
• It has 5 angles.
• It is closed.
• Aa square
• Ba triangle
• Ca hexagon
• Da pentagon

Q5:

How many angles are there in a pentagon?

Q6:

What is the name of a polygon that has 3 sides and 3 angles?

• Ba triangle
• Can octagon
• Da pentagon
• Ea hexagon

Q7:

Pick the shape that Elizabeth is describing. • A • B • C • D Q8:

Fill in the blanks: A triangle is a polygon that has sides and angles.

• A4, 4
• B3, 3
• C4, 3
• D3, 4
• E2, 3

Q9:

Pick the shape that Daniel is describing. • A • B • C • D Q10:

Which polygon has 8 sides and 8 angles?

• Aa triangle
• Ba pentagon
• Can octagon
• Da hexagon

Q11:

A polygon has 4 sides and 4 angles. What kind of polygon is it?

• Atriangle
• Bhexagon
• Doctagon
• Epentagon

Q12:

Consider the following figure. How many sides does this shape have?

How many angles does it have?

Q13:

Which polygon has 5 sides and 5 angles?

• Aa pentagon
• Ba triangle
• Da hexagon
• Ean octagon

Q14:

What shape is this? • Aa triangle
• Ba hexagon