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hba

  • 2 years ago

The area of the circle x^2+y^2-8x-24=0

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  1. hartnn
    • 2 years ago
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    pi*r^2

  2. hba
    • 2 years ago
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    Thanks :)

  3. tomiko
    • 2 years ago
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    find r from the equation and apply \[\Pi r ^{2}\]

  4. waterineyes
    • 2 years ago
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    What is the value of r here??

  5. hba
    • 2 years ago
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    \[r=2\sqrt{10}\]

  6. waterineyes
    • 2 years ago
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    How ??

  7. hba
    • 2 years ago
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    \[40\pi \]

  8. tomiko
    • 2 years ago
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    the general equation of a cirle is \[(x-h)^{2} + (y-k)^{2} = r ^{2}\] compare this to your equation and find "r"

  9. hba
    • 2 years ago
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    \[r=\sqrt{g^2+f^2-c}\] \[r=\sqrt{16-(-24)}=\sqrt{16+24}=\sqrt{40}\]

  10. waterineyes
    • 2 years ago
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    I know that.. I am asking find here proper value for r..

  11. hba
    • 2 years ago
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    r is r come on ?

  12. waterineyes
    • 2 years ago
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    Are you not getting 8 ??

  13. waterineyes
    • 2 years ago
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    Ok, I am wrong..

  14. waterineyes
    • 2 years ago
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    Yes @hba you are right..

  15. hba
    • 2 years ago
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    @waterineyes Why do you keep confusing me lol haha

  16. hba
    • 2 years ago
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    So 40pi is final :D

  17. waterineyes
    • 2 years ago
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    Ha ha ha ha..

  18. hartnn
    • 2 years ago
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    lol :P

  19. hartnn
    • 2 years ago
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    good going @waterineyes

  20. tomiko
    • 2 years ago
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    in this case compare your equation to \[x ^{2} + y ^{2} + 2gx + 2fy + c = 0\] where \[r = \sqrt{g ^{2} + f ^{2} - c}\]

  21. waterineyes
    • 2 years ago
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    Thanks @hartnn

  22. tomiko
    • 2 years ago
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    do you get it now?

  23. waterineyes
    • 2 years ago
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    @tomiko you are late dear but it is okay.. ha ha ha ha..

  24. waterineyes
    • 2 years ago
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    Anyways, thanks for reminding me the equation of circle..

  25. hba
    • 2 years ago
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    @tomiko No i do not get it bcx i have already got it :D

  26. hba
    • 2 years ago
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    @waterineyes Don't worry :)

  27. waterineyes
    • 2 years ago
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    Notification came first and then your comment.. Great..

  28. hba
    • 2 years ago
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    You should buy a usb for your laptop

  29. waterineyes
    • 2 years ago
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    For what??

  30. waterineyes
    • 2 years ago
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    And I am having a pc not laptop..

  31. hba
    • 2 years ago
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    Like wifi

  32. tomiko
    • 2 years ago
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    haha no problem. you guys are funny! =))

  33. hba
    • 2 years ago
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    Still counts...

  34. hba
    • 2 years ago
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    No we do do not work in the circus,we are just havin fun ;D @tomiko

  35. waterineyes
    • 2 years ago
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    I am comfortable with this slow running and at the same time ruining tortoise Internet Stick..

  36. hba
    • 2 years ago
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    The center of the circle x^2+y^2-6x+8y-24=0 I got (3,-4) right or wrong ? @waterineyes

  37. hba
    • 2 years ago
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    @waterineyes How can you live in this world with such an awesome internet connection :)

  38. waterineyes
    • 2 years ago
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    It is awesome that is why I am living and at the same time leaving on it..

  39. hba
    • 2 years ago
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    @waterineyes What about my ques ?

  40. waterineyes
    • 2 years ago
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    (3,-4) is right..

  41. hba
    • 2 years ago
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    So none of the above :D

  42. waterineyes
    • 2 years ago
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    No..

  43. hba
    • 2 years ago
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    Shuuu

  44. hba
    • 2 years ago
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    It is not in options lol

  45. waterineyes
    • 2 years ago
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    Data is inadequate..

  46. hba
    • 2 years ago
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    For you ^

  47. waterineyes
    • 2 years ago
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    Yep.. Going to sleep.. 12:51 am here.. Good Night. @hba

  48. hba
    • 2 years ago
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    Please see my last quessss :(

  49. hba
    • 2 years ago
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    @waterineyes ??

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