ratio of areas
The ratio of the areas of two circles is 9:4. If the circumference of the smaller circle is, what is the perimeter of the larger circle?
(A)
(B)
(C)
(D)
Thanks
The answer is here
http://www.satmath4u.com/threads/97-ratio-of-areas
The ratio of the areas of two circles is 9:4. If the circumference of the smaller circle is
(A)
(B)
(C)
(D)
Thanks
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