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mayrabris2cute

What is the area of a circle if the diameter is 12 feet?? Answers: a. 113.0 ft² b. 124.8 ft² c. 37.7 ft² d. 452.2 ft²

  • one year ago
  • one year ago

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  1. cgreenwade2000
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    Area of a circle is A= (pi)*r^2

    • one year ago
  2. hartnn
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    \[A =\pi d^2/4\] just plug in d =12

    • one year ago
  3. mayrabris2cute
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    Thx @hartnn

    • one year ago
  4. hartnn
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    welcome ^_^

    • one year ago
  5. mayrabris2cute
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    So its 3.14*144 = 452.16/4???

    • one year ago
  6. hartnn
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    you forgot to divide by 4.

    • one year ago
  7. cgreenwade2000
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    |dw:1358452844870:dw|

    • one year ago
  8. cgreenwade2000
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    Diameter is 2*r

    • one year ago
  9. hartnn
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    3.14*144 /4=

    • one year ago
  10. mayrabris2cute
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    ?So no dividing??? I'm confused!! I just multiply by 2 or do I also divide by 4

    • one year ago
  11. GiGIgo3
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    yea divide by 4

    • one year ago
  12. mayrabris2cute
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    Ok.... Idk who is right, @hartnn , @cgreenwade2000 , or @GiGIgo3

    • one year ago
  13. hartnn
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    when you put d=12 you get A = 3.14 *144/4 = 113.0 that would be the answer :)

    • one year ago
  14. GiGIgo3
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    solve this 12x12=???.? ???.?x3.14 = ???? ???? / 4 = your answer

    • one year ago
  15. hartnn
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    follow your calculations and my formula :)

    • one year ago
  16. mayrabris2cute
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    Ok. Wells that what I got but @GiGIgo3 is sayin different!

    • one year ago
  17. GiGIgo3
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    im wrong

    • one year ago
  18. GiGIgo3
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    you do divide by four, i forgot the step

    • one year ago
  19. mayrabris2cute
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    Okkk....Thx guys :) :)

    • one year ago
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