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What is the ratio of the circumferences for two circles with areas 6 pi m2 and 150 pi m2?
Wiki User
∙ 12y ago
area = 2pi*r2
circumference = 2pi*r
The ratio of their circumferences will be 2pi*r1 /2pi*r2 = r1/r2
1) r2 = 6pi/2pi = 3. r1 = root(3).
2) r = 150pi/2pi = 75. r2 = root(75)
So the ratio of their circumferences is
r1/r2 = root(3)/root(75)
Wiki User
∙ 12y ago
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