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Mathematics, 03.08.2019 15:00 eme05

Circle x has center x and circle y has center y. the ratio of the radius of circle x to the radius of circle y is 0.75. the circumference of circle x is 12Ï€ . what is the circumference of circle y? a.8Ï€ b.9Ï€ c.16Ï€ d.32Ï€

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