The area of circle B is 36 times greater than the area of circle A. The radius of circle B is 12. What is the radius of circle A? A. 5 B. 30 C. 36 D. 150

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The area is depend on the square of the radius. So when the area is 36 times greater, the radius is 6 times greater. So the radius is 6*5=30 meters.

jandy|Points 4091|

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Asked 7/7/2016 11:19:53 AM

Updated 267 days ago|4/27/2024 4:55:33 PM

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