examples include keys and copying machine
sss is when the 3 sides are congruent. all 3 angles are congruent
The reflex property is that angle a equals angle a, or a number=the same number.
If X is congruent to Y then Y is congruent to X.
A counter example occurs when somebody provides an example to prove something, then somebody else provides a different example, which either proves the opposite, or disproves the first thing.Ie,"Cats...