Problem 14 of 7
Find scale factor mapping circle with radius 5 to circle with radius 2.
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compare radii or diameters.
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Scale factor must be target radius divided by original radius; diameters may be compared consistently.
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Solution
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1. Identify the original and target radii or diameters.
2. Compute target length divided by original length.
3. State the scale factor.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Comparing areas when a similarity scale factor is requested.