Question

What is the reason for step 5 in this proof? A. Vertical Angles Theorem B. Opposite interior angles of a parallelogram are congruent. C. All angles of a rectangle have the same measure. D. Alternate Interior Angles Theorem

Answer 1

b

Explanation:

because they are opposite in direction

Answer 2

Everybody else says it B. for some reason. I got this one wrong because of it. I would have to say it is D. Alternate Interior Angles Theorem.

Hope this helps!

Explanation: