Ex: If two angles are congruent then two angles are both right.
If the two angles are not congruent then two angles are not both right angles.
Converse is just switching the hypothesis and conclusion
When the conditional and the converse are both true it is called a bi conditional
Contrapositive: Contra- Prefix meaning "against or "opposite"
So you just negate and switch the hypothesis and conclusion (Inverse and Converse)
For Ex: The Contra-positive of "If i study then ill pass geometry is :If i failed Geometry, then i didn't study.
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