Question

If two lines are parallel, the alternate

interior angles are congruent.
Choose the equivalent statement.
A. If alternate interior angles are congruent, the lines are parallel.
B. If alternate interior angles are not congruent, then the lines are
not parallel.
C. If two lines are not parallel, then alternate interior angles are not
congruent.

Answer 1

B. If alternate interior angles are not congruent, then the lines are

not parallel.

Explanation:

I got it right on Acellus.

Answer 2

Answer: B

Explanation:

The statement that is logically equivalent is the contrapositive.