Problem 15 of 7
Prove two triangles similar using AA from angle evidence a trapezoid ABCD with AB parallel to DC, and diagonals AC and BD intersecting at E.
Using a hint is okay. It just tells the trainer to give you a little more review.
Hidden until you reveal it.
identify two pairs of congruent angles.
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Proof must identify two corresponding angle pairs.
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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 first congruent angle pair.
2. Identify the second congruent angle pair.
3. State triangle similarity by AA with correct correspondence.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
AA conclusion from one angle pair only.