
Andrew M. answered 02/09/17
Tutor
New to Wyzant
Mathematics - Algebra a Specialty / F.I.T. Grad - B.S. w/Honors
Contrapositive: Switching the hypothesis and conclusion of a
conditional statement and negating both.
Starting with : If p then q
Ending with: If not q then not p
If a shape is a rhombus, then it has four congruent sides.
If it does not have four congruent sides, then the shape is not a rhombus.