Question

Kelly and Daniel wrote the following proofs to prove that vertical angles are congruent. Who is correct?

Kelly is correct, but Daniel is not.
Neither Kelly or Daniel is correct.
Daniel is correct, but Kelly is not.
Both Kelly and Daniel are correct.

Answer 1

Daniel is correct, but Kelly is not

Answer 2

Daniel is correct and Kelly is not

Explanation:

Basically, Kelly does not use the right terms needed to prove the angles are congruent but Daniel does.