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Math Help - Finding area of a sector

  1. #1
    Senior Member vaironxxrd's Avatar
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    Finding area of a sector

    I have to find the area of a sector but I got a bit confused in class today here is my work.



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  2. #2
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    I'm not understanding how you have written your answer.

    I get A = (360-115)/360 x pi x 4^2
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    Quote Originally Posted by vaironxxrd View Post
    I have to find the area of a sector but I got a bit confused in class today here is my work.



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    If x denotes the value of the area then your answer (360 x = 115 \pi 4 )gives the value of the non-shaded area.
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  4. #4
    Senior Member vaironxxrd's Avatar
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    Quote Originally Posted by earboth View Post
    If x denotes the value of the area then your answer (360 x = 115 \pi 4 )gives the value of the non-shaded area.
    Oh so im wrong . all i did here was 115 over 360 and then sector area which is x over area of circle which is 4cm^3*pi and cross multiplied sorry I couldnt give the result to that in this post im going to school atm
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