Diameter(A) is 20 cm and diameter(B) is 5. What is the ratio of circumference(A) to circumference(B)?

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter8: Areas Of Polygons And Circles
Section8.4: Cicumference And Area Of A Cicle
Problem 30E: The ratio of the circumferences of two circles is 2:1. What is ratio of their areas?
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Diameter(A) is 20 cm and diameter(B) is 5. What is the ratio of circumference(A) to circumference(B)?

 

Question 7 options:

 

A. 4

 

B. 20

 

C. 5

 

D. not enough information

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