Problem 46 of 7
Use congruent triangles to find missing measure from triangle ABC congruent to DEF, AB=7.
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apply corresponding parts.
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Use corresponding parts of congruent triangles.
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Solution
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1. Use the congruence statement to match corresponding parts.
2. Set corresponding measures equal.
3. Solve if a variable is present.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Scaling corresponding parts when triangles are congruent.