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OpenStudy (anonymous):

The ratio of the circumferences of two circles is 2:3. If the large circle has a radius of 39 cm, what is the radius of the small circle?

OpenStudy (anonymous):

@superman36

OpenStudy (anonymous):

The 2 pi on the right side will cancel out leaving just 2/3 = r/39.

OpenStudy (anonymous):

that's not a choice

OpenStudy (anonymous):

19.5 cm 26 cm 58.5 cm 117 cm

OpenStudy (anonymous):

i would go wit c or d but i would say d make sure u double check

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