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October 8th, 2013, 12:08 PM  #1 
Newbie Joined: Oct 2013 Posts: 3 Thanks: 0  Help with finding an area of a sector
Hello, I am struggling to find the area of a sector when given the arc length s and central angle (Theta). I have the forumlas for it but the formula does not account for arc length s so I assume there is some type of exchange for another value. Any help would be appreciated.

October 8th, 2013, 12:16 PM  #2 
Senior Member Joined: Jun 2013 From: London, England Posts: 1,316 Thanks: 116  Re: Help with finding an area of a sector 
October 8th, 2013, 12:17 PM  #3 
Newbie Joined: Oct 2013 Posts: 3 Thanks: 0  Re: Help with finding an area of a sector
Thanks alot

October 8th, 2013, 12:22 PM  #4  
Newbie Joined: Oct 2013 Posts: 3 Thanks: 0  Re: Help with finding an area of a sector Quote:
 
October 8th, 2013, 01:39 PM  #5 
Senior Member Joined: Jun 2013 From: London, England Posts: 1,316 Thanks: 116  Re: Help with finding an area of a sector
If you're working in degrees, rather than radians, then: Once you have r, you have the area of the circle: And the area of the sector is: 

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