Problem 58 of 7
Use similar triangles to find missing measure from scale factor 3, side 5 corresponds to x.
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set proportions and use angle equality.
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Use proportional sides or equal corresponding angles.
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Solution
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1. Identify whether the unknown is a side or angle.
2. Use proportions for sides or equality for angles.
3. Solve the equation.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Equal side assumption unless scale factor is 1.