Problem 53 of 7
Establish AA similarity from vertical angles and one marked angle pair in A pair of triangles sharing a common vertex due to intersecting lines, with one pair of corresponding base angles marked equal.
Using a hint is okay. It just tells the trainer to give you a little more review.
Hidden until you reveal it.
combine vertical angle theorem and given angle.
Hidden until you reveal it.
Use vertical angle theorem and one additional corresponding angle pair.
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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 vertical angle pair.
2. Identify the second congruent angle pair.
3. State AA similarity with correct correspondence.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Using vertical angles alone.