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The circumference of a circle changes from 20 to 4 after a dilation. What was the scale factor of the dilation? StartFraction 1 Over 25 EndFraction One-fifth 5 25

The circumference of a circle changes from 20 to 4 after a dilation. What was the scale factor of the dilation? StartFraction 1 Over 25 EndFraction One-fifth 5 25
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The circumference of a circle changes from 20 to 4 after a dilation. What was the scale factor of the dilation? StartFraction 1 Over 25 EndFraction One-fifth 5 25

User Stackover
by
8.3k points

2 Answers

3 votes

Answer:

B.

Explanation:

User Olabisi
by
8.6k points
2 votes
1/5

scale factor: 4/20 = 1/5
User Aleksandra Zalcman
by
8.4k points
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