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Aleks04 [339]
3 years ago
10

The circumstance of a circle changes from 20 to 4 after a dilation. what was the scale factor of the dilation?

Mathematics
1 answer:
VladimirAG [237]3 years ago
8 0

Answer:

Option B

Step-by-step explanation:

The circumference of a circle changes from (pre-image)20 to 4(image) after a dilation.

Scale\ Factor=\frac{Circumference\ of\ image}{Circumference\ of\ pre-image} \\\\Scale\ Factor=\frac{4}{20}\\\\Scale\ Factor=\frac{1}{5}

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