Classifying Polygons

Veronica uses the calculator below for her math assignment. How could she describe the calculator?

• triangle

• parallelogram

• rhombus

• square

Look at the polygon below. Select one attribute for this shape.

• All angles are right angles.

• At least one pair of sides is perpendicular.

• At least one pair of opposite sides is parallel.

• All angles are acute angles.

In music class, Campbell plays the triangle below. Identify this triangle by name.

• equilateral triangle

• obtuse triangle

• right triangle

• acute triangle

Which of the following polygons contains perpendicular sides? Mark only one oval.

• Diagram A

• Diagram B

• Diagram C

• Diagram D

Which of the following quadrilaterals has exactly one pair of parallel sides?

• Diagram A

• Diagram B

• Diagram C

• Diagram D

What are 2 names for the shape below? Check all that apply.

• triangle

• rhombus

• rectangle

• parallelogram

• square

What do the shapes below all have in common?

• They all have at least one pair of parallel lines.

• They all have at least one pair of perpendicular lines.

• They all have at least one acute angle.

• They all have at least one obtuse angle.

A student was asked to use the following clue to figure out a mystery shape: I am a polygon with at least one set of perpendicular sides. Which shapes could it be?

• A

• B

• C

• D

Which triangle below could be classified as an obtuse scalene triangle?

• orange

• blue

• aqua

• yellow

What do these two shapes have in common?

• they both have four sides with the same length

• they both have all acute angles

• they are both quadrilaterals

• they both have two sets of parallel sides