Problem 158 of 7
Complete the lines-and-angles proof for prove angle 1 + angle 2 = 180 degrees from l is parallel to m and angles 1 and 2 are consecutive interior angles.
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.
Completion must supply a valid statement and reason for the proof goal.
Enter your answer
Your answer is equivalent to the expected form.
Walkthrough
Full solution stays hidden until you ask for it.
1. Read the proof goal.
2. Match the given facts to the relevant theorem or converse.
3. State the missing conclusion with its reason.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Unrelated theorem names or missing reasons.