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If the ratio of the area of circle A to the area of circle B is 2 : 1, then how many times larger is the circumference of circle A than the circumference of circle B?

User Wurde
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1 Answer

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area A / area B = 2 / 1; => radius A / radius B =
√(2);
circumference of circle A / circumfereance of circle B = radius A / radius B =
√(2) =>
√(2)≈1.41;

User Constantiner
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