Problem 171 of 7
Correct the invalid visual congruence argument: They are both isosceles triangles, so they are congruent.
Using a hint is okay. It just tells the trainer to give you a little more review.
Hidden until you reveal it.
require rigid-motion or measurement evidence.
Hidden until you reveal it.
Argument must rely on appearance without sufficient evidence.
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Your answer is equivalent to the expected form.
Walkthrough
Full solution stays hidden until you ask for it.
1. Identify the unsupported visual claim.
2. Name the evidence needed for congruence.
3. Rewrite the argument using rigid motions or corresponding measurements.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Replacing one visual claim with another.