anonymous
  • anonymous
If a circle is enlarged so that it has a new area that is 25 times the original, what factor were the dimensions changed by? 5 25 625 1/5
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
@ltj1234 lol u did not give me a medal 4 helping u
bradely
  • bradely
A_new =25(A_old) (pi/4)d_new^2 =25(pi/4)d_old^2 d_new^2=25d_old^2 d_new =5d_old First option is correct Source: http://www.mathskey.com/question2answer/
anonymous
  • anonymous
thanks

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triciaal
  • triciaal
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anonymous
  • anonymous
|dw:1440534762331:dw|
triciaal
  • triciaal
@ltj1234 do you have any questions about the representation? do you see that the dimension that changed is the radius and we need to find the factor by comparing r1 and r2

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