4 Written questions
4 Multiple choice questions
- ...then the parallelogram is a rectangle.
- A quadrilateral with four right angles.
- ...then the quadrilateral is a parallelogram.
- A quadrilateral with two pairs of parallel, congruent sides.
3 True/False questions
indirect proof → A proof by contradiction. A proof in which the statement you want to prove is assumed to be false.
square → A quadrilateral with four right angles.
If two adjacent sides of a parallelogram are congruent... → ...then the parallelogram is a rhombus.