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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
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5 votes
5 votes
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 Dawntrader
by
2.8k points

2 Answers

11 votes
11 votes

Answer:

B.

Explanation:

User Akira Fukushima
by
2.4k points
18 votes
18 votes
1/5

scale factor: 4/20 = 1/5
User Sasha Reminnyi
by
2.8k points
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