Problem 174 of 7
Identify the invalid construction in A student constructs a circumcircle using the incenter as its center.
Using a hint is okay. It just tells the trainer to give you a little more review.
Hidden until you reveal it.
distinguish angle bisectors from perpendicular bisectors.
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Invalid construction must confuse angle bisectors, perpendicular bisectors, or radius target.
Enter your answer
Your answer is equivalent to the expected form.
Walkthrough
Full solution stays hidden until you ask for it.
1. Identify the target circle or center.
2. Check whether the student used the matching construction method.
3. State the correction.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Saying the construction looks wrong without identifying the geometric reason.