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anonymous
 one year ago
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
anonymous
 one year ago
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

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0@ltj1234 lol u did not give me a medal 4 helping u

bradely
 one year ago
Best ResponseYou've already chosen the best response.1A_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/

triciaal
 one year ago
Best ResponseYou've already chosen the best response.0dw:1440523724361:dw

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0dw:1440534762331:dw

triciaal
 one year ago
Best ResponseYou've already chosen the best response.0@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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