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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?
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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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