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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

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  1. anonymous
    • one year ago
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    @ltj1234 lol u did not give me a medal 4 helping u

  2. bradely
    • one year ago
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    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/

  3. anonymous
    • one year ago
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    thanks

  4. triciaal
    • one year ago
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    |dw:1440523724361:dw|

  5. anonymous
    • one year ago
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    |dw:1440534762331:dw|

  6. triciaal
    • one year ago
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    @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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