Use the definitions to answer the following questions. List only the definitions, not the properties. 8. A parallelogram is a quadrilateral, but by definition, what makes a parallelogram a parallelogram? (1 point)

9. A rectangle is a parallelogram, but by definition, what makes a rectangle a rectangle? (1 point)

10. A rhombus is a parallelogram, but by definition, what makes a rhombus a rhombus? (1 point)