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?
Answer (2)
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;
The circumference of circle A is approximately 1.41 times larger than that of circle B because the radius of circle A is 2 times the radius of circle B due to the area ratio of 2:1. As a result, the ratio of their circumferences is also 2 .
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