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the area of circle B is 36 times greater than the area of circle A. The radius of circle B is 30. what is the radius of circle...Asked by MARIA
THE area of circle B is 25 times greater than the area of circle A. The radius of circle A is 3. What is the radius of circle B?
Answers
Answered by
Steve
the area grows as the square of the radius.
So, the radius grows as the square root of the area.
Since areaB/areaA = 25,
radiusB/radiusA = √25 = 5
So, the radius grows as the square root of the area.
Since areaB/areaA = 25,
radiusB/radiusA = √25 = 5
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