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  • hba

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

Mathematics
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pi*r^2
  • hba
Thanks :)
find r from the equation and apply \[\Pi r ^{2}\]

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Other answers:

What is the value of r here??
  • hba
\[r=2\sqrt{10}\]
How ??
  • hba
\[40\pi \]
the general equation of a cirle is \[(x-h)^{2} + (y-k)^{2} = r ^{2}\] compare this to your equation and find "r"
  • hba
\[r=\sqrt{g^2+f^2-c}\] \[r=\sqrt{16-(-24)}=\sqrt{16+24}=\sqrt{40}\]
I know that.. I am asking find here proper value for r..
  • hba
r is r come on ?
Are you not getting 8 ??
Ok, I am wrong..
Yes @hba you are right..
  • hba
@waterineyes Why do you keep confusing me lol haha
  • hba
So 40pi is final :D
Ha ha ha ha..
lol :P
good going @waterineyes
in this case compare your equation to \[x ^{2} + y ^{2} + 2gx + 2fy + c = 0\] where \[r = \sqrt{g ^{2} + f ^{2} - c}\]
Thanks @hartnn
do you get it now?
@tomiko you are late dear but it is okay.. ha ha ha ha..
Anyways, thanks for reminding me the equation of circle..
  • hba
@tomiko No i do not get it bcx i have already got it :D
  • hba
@waterineyes Don't worry :)
Notification came first and then your comment.. Great..
  • hba
You should buy a usb for your laptop
For what??
And I am having a pc not laptop..
  • hba
Like wifi
haha no problem. you guys are funny! =))
  • hba
Still counts...
  • hba
No we do do not work in the circus,we are just havin fun ;D @tomiko
I am comfortable with this slow running and at the same time ruining tortoise Internet Stick..
  • hba
The center of the circle x^2+y^2-6x+8y-24=0 I got (3,-4) right or wrong ? @waterineyes
  • hba
@waterineyes How can you live in this world with such an awesome internet connection :)
It is awesome that is why I am living and at the same time leaving on it..
  • hba
@waterineyes What about my ques ?
(3,-4) is right..
  • hba
So none of the above :D
No..
  • hba
Shuuu
  • hba
It is not in options lol
Data is inadequate..
  • hba
For you ^
Yep.. Going to sleep.. 12:51 am here.. Good Night. @hba
  • hba
Please see my last quessss :(
  • hba

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