Classify Two-Dimensional Figures in a Hierarchy

Look at the hierarchy. Which figure can be placed below the rectangle in this hierarchy?* (A question like this is almost always on AIR test!)

• rhombus

• trapezoid

• square

• triangle

Rebecca drew a quadrilateral with only ONE PAIR of parallel sides. Which statement is true?

• It must be rectangle.

• It must be a parallelogram.

• It could be a kite.

• It must be a trapezoid.

I am a triangle with all sides measuring less than 90 degrees. What am I?

• Right triangle

• Scalene triangle

• Acute triangle

• Obtuse triangle

Which statement is true?

• A quadrilateral is always a parallelogram.

• A square is always a parallelogram

• A parallelogram is never a rhombus.

• A trapezoid never has two congruent sides.

The definition of a trapezoid is a quadrilateral with __________.

• all four sides the same length and opposite sides parallel

• at least one pair of parallel sides

• both pairs of opposite sides parallel

• four right angles and opposite sides parallel

What is the name of this shape?

• Pentagon

• Hexagon

• Octagon

• Decagon

How many sets of parallel lines are in this shape?

• 0

• 1

• 2

• 5

Which shape is at the top of the hierarchy shown in the diagram?

• Rectangle

• Square

• Quadrilateral

• Trapezoid

According to the hierarchy in the diagram, which shape is directly below the quadrilateral?

• Square

• Trapezoid

• Rectangle

• Circle

Which shape is at the bottom of the hierarchy shown in the diagram?

• Rectangle

• Square

• Circle

• Trapezoid