Problem 192 of 7
Correct the parallelogram theorem misuse: A student states that if a quadrilateral has one pair of opposite sides parallel, it is a parallelogram.
Using a hint is okay. It just tells the trainer to give you a little more review.
Hidden until you reveal it.
catch insufficient conditions and wrong theorem direction.
Hidden until you reveal it.
Correction must catch insufficient conditions or wrong theorem direction.
Enter your answer
Your answer is equivalent to the expected form.
Walkthrough
Full solution stays hidden until you ask for it.
1. Identify the theorem or converse being misused.
2. State why the evidence is insufficient or misdirected.
3. Give the correct condition or theorem.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Corrections that still use an insufficient condition.