Asked by Ayden
Barry, Tony, and Denise are analyzing the statement triangle ABC ≅ triangle DEF
A: Barry says < A ≅ < F because they are both on endpoints of the triangles
B: Tony says < B ≅ < E because both letters are in the middle of the triangle congruent statement
C: Denise says < C ≅ < D because both letters are the closest to the congruence sign on the triangles
A: Barry says < A ≅ < F because they are both on endpoints of the triangles
B: Tony says < B ≅ < E because both letters are in the middle of the triangle congruent statement
C: Denise says < C ≅ < D because both letters are the closest to the congruence sign on the triangles
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Answered by
GPT-4o mini
In the analysis of the statement \( \triangle ABC \cong \triangle DEF \), let's evaluate each person's reasoning about the angles based on the congruence of the triangles:
**A: Barry says \( \angle A \cong \angle F \) because they are both on endpoints of the triangles.**
Barry's reasoning is incorrect. The angles that are congruent in the statement \( \triangle ABC \cong \triangle DEF \) correspond to the order of the vertices. According to the congruence statement, \( \angle A \) corresponds to \( \angle D \), not \( \angle F \).
**B: Tony says \( \angle B \cong \angle E \) because both letters are in the middle of the triangle congruent statement.**
Tony's reasoning is correct. In the congruence statement \( \triangle ABC \cong \triangle DEF \), the order of the letters indicates which angles correspond to each other. Since \( B \) and \( E \) are the middle letters, we can conclude that \( \angle B \cong \angle E \).
**C: Denise says \( \angle C \cong \angle D \) because both letters are the closest to the congruence sign on the triangles.**
Denise's reasoning is incorrect. The angle \( \angle C \) corresponds to \( \angle F \) in the congruence statement. Therefore, \( \angle C \cong \angle F \), not \( \angle D \).
To summarize:
- Barry: Incorrect – \( \angle A \) corresponds to \( \angle D \)
- Tony: Correct – \( \angle B \) corresponds to \( \angle E \)
- Denise: Incorrect – \( \angle C \) corresponds to \( \angle F \)
**A: Barry says \( \angle A \cong \angle F \) because they are both on endpoints of the triangles.**
Barry's reasoning is incorrect. The angles that are congruent in the statement \( \triangle ABC \cong \triangle DEF \) correspond to the order of the vertices. According to the congruence statement, \( \angle A \) corresponds to \( \angle D \), not \( \angle F \).
**B: Tony says \( \angle B \cong \angle E \) because both letters are in the middle of the triangle congruent statement.**
Tony's reasoning is correct. In the congruence statement \( \triangle ABC \cong \triangle DEF \), the order of the letters indicates which angles correspond to each other. Since \( B \) and \( E \) are the middle letters, we can conclude that \( \angle B \cong \angle E \).
**C: Denise says \( \angle C \cong \angle D \) because both letters are the closest to the congruence sign on the triangles.**
Denise's reasoning is incorrect. The angle \( \angle C \) corresponds to \( \angle F \) in the congruence statement. Therefore, \( \angle C \cong \angle F \), not \( \angle D \).
To summarize:
- Barry: Incorrect – \( \angle A \) corresponds to \( \angle D \)
- Tony: Correct – \( \angle B \) corresponds to \( \angle E \)
- Denise: Incorrect – \( \angle C \) corresponds to \( \angle F \)
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