Problem 134 of 7
Complete the missing statement or reason in the proof step Angles 1 and 2 form a linear pair, so angle 1 + angle 2 = 180 degrees by ___.
Using a hint is okay. It just tells the trainer to give you a little more review.
Hidden until you reveal it.
supply statements and reasons.
Hidden until you reveal it.
Proof step must have one standard missing statement or reason.
Enter your answer
Your answer is equivalent to the expected form.
Walkthrough
Full solution stays hidden until you ask for it.
1. Read the statements immediately before the blank.
2. Identify whether the blank asks for a reason or conclusion.
3. Supply the theorem, property, or congruence criterion that matches.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Criteria inconsistent with the listed givens.