The ratio of the radii of two circles is 9:16. What is the ratio of their circumferences?

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The ratio of the radii of two circles is 9:16. What is the ratio of their circumferences?

F. 3:4
G. 9:16
H.18:32
J. 3:4π
K. 9π :16

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10 ACT Practice Tests

ISBN: 9780071591461

2nd Edition

Authors: Steven Dulan

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