Lengths after a dilation
Multiply every length by the scale factor.
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A segment 15 cm long is dilated by a scale factor of 2. How long is the image, in cm?
Answer: 30
A segment 13 cm long is dilated by a scale factor of 3. How long is the image, in cm?
Answer: 39
A segment 10 cm long is dilated by a scale factor of 3. How long is the image, in cm?
Answer: 30
Tip: Multiply every length by the scale factor.
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