Problem 55 of 7
Find the scale factor from area ratio image:original = 1:9.
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take square root of area ratio.
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Scale factor is the positive square root of image-to-original area ratio.
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Solution
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1. Write the image-to-original area ratio.
2. Take the positive square root.
3. State the linear scale factor.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Using the area ratio itself as the linear scale factor.