SOLUTION: The area of circle B is 121 times greater than the area of circle A. The radius of circle B is 44. What is the radius of circle A?
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Question 1012874: The area of circle B is 121 times greater than the area of circle A. The radius of circle B is 44. What is the radius of circle A?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
The area of circle B is 121 times greater than the area of circle A. The radius of circle B is 44. What is the radius of circle A?
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Area of A = pi*r^2
Area of B = pi*44^2
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Equation:
pi*44^2 = 121*pi*r^2
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121r^2 = 44^2
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r^2 = 44^2/11^2
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r^2 = 4^2
r = 4
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