dannyloz512 dannyloz512
  • 18-07-2017
  • Mathematics
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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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megaikens22
megaikens22 megaikens22
  • 20-07-2017
u=units
A=πr²
  =π(44)²
  =6082.12u²
6082.12/121= 50.27
A=πr²
50.27=πr²
r²=50.27/π
r=√16
r=4u
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