The value of the circumference of Circle A is three times the value of the area of Circle B. What is the radius of Circle B if the diameter of Circle A is 27 cm?

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asked Oct 2, 2017 91.7k views

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The value of the circumference of Circle A is three times the value of the area of Circle B. What is the radius of Circle B if the diameter of Circle A is 27 cm?

Mathematics
middle-school

Gidon Wise asked

by Gidon Wise

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we can infer that:
a=3b
27=3b
9=b
So the diameter of circle B is 9. Now divide by 2 to find radius, which is 4.5

Elquimista answered Oct 8, 2017

by Elquimista

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