Problem 88 of 7
Use AA similarity to find missing side from scale factor 2.5, side x corresponds to 20.
Hints
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set up proportions after proving similarity.
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Similarity must be established before side proportions are used.
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Correct
Your answer is equivalent to the expected form.
Solution
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1. State triangles are similar by AA.
2. Match corresponding sides.
3. Use scale factor or proportion to solve.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Using side proportions before identifying correspondence.