Problem 40 of 7
Establish AA similarity from parallel lines in Line segment connecting midpoints D and E of sides AB and AC in triangle ABC.
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use corresponding or alternate interior angles.
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Parallel lines must create two corresponding or alternate interior angle pairs.
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Walkthrough
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1. Identify the parallel lines.
2. Name the corresponding or alternate interior angle pairs.
3. Conclude similarity by AA.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Assuming parallel lines without given or proven evidence.