### Home > GC > Chapter 5 > Lesson 5.3.5 > Problem 5-116

5-116.

Do all parallelograms have four right angles?

Try drawing a parallelogram that does not have four right angles,

if you can this is a counterexample.

5-116.

Do all parallelograms have four right angles?

Try drawing a parallelogram that does not have four right angles,

if you can this is a counterexample.