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you know how you divide the centre angle by 360 to get the sector area on a circle? what if they don't give you an angle, what do i do then?

 Sep 30, 2017
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If they are only giving you a portion of the crcle.......you can use (portion) * pi ^ radius^2

 

For.....example.......find the area of (1/6) of a circle with a radius of 5 ......so we have...

 

Area  =     (1/6) * pi * (5)^2  ≈   13.1  square units

 

I don't know if this is what you needed, or not......

 

cool cool cool

 Sep 30, 2017

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