SOLUTION: If the diameter of a circle is 1:5 times the diameter of a smaller circle, what is the ratio of the area of the bigger circle to that of the smaller circle? a 4/3 b 5/3 c 16/

SOLUTION: If the diameter of a circle is 1:5 times the diameter of a smaller circle, what is the ratio of the area of the bigger circle to that of the smaller circle? a 4/3 b 5/3 c 16/

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Question 290689: If the diameter of a circle is 1:5 times the diameter of a smaller circle, what is the ratio of the area of the bigger circle to that of the smaller circle?
a 4/3 b 5/3 c 16/9 d 25/9 e 9/4
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
diameter 2 and diameter 10
radius 1 radius 5
pi r^2 1*pi
pi r^2 25*pi
5^2/1=25/1 none of the options
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