
Decide if each statement correctly describes a relationship between the categories. Choose Yes or No for each statement.
Equilateral triangles are a subcategory of isosceles triangles.
Right triangles are a subcategory of polygons.
Polygons are a subcategory of parallelograms
Rectangles are a subcategory of parallelograms
Name one attribute that rhombuses and parallelograms always share. Name an attribute they only sometimes share.
Rhombuses and parallelograms always share
Rhombuses and parallelograms sometimes share

Draw a tree diagram or Venn diagram to show the hierarchy of the four categories below.
Rhombuses
Squares
Polygons
Quadrilaterals
The table shows some attributes of shapes. Which shapes always have all of the attributes shown in the table? Choose all the correct answers.
Attributes of shapes
At least 2 sides of equal length
At least 1 right angle
2 pairs of parallel sides
Robert uses the Venn diagram below to order quadrilaterals in a hierarchy.
Which statement best explains whether Robert’s Venn diagram is correct or not?