true/false

2 lines perpendicular to the same line are perpendicular to each other.

True.

t.f

after we prove that a theorem is true it becomes a definition.

False.

A theorem cannot become a definition because they are two different things.

A theorem is a statement that has been proven to be true based on a set of axioms, while a definition is a statement that explains the meaning of a term or concept.

True