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  1. ( 40 / 360 ) x ( pi r^2 ) = area of a sector of 40 degrees An arc of length 4 pi is an arc that...

    3 Answers · Science & Mathematics · 12/02/2010

  2. ... length r= radius x=angle in radians For Area of A sector : A =(1/2) (r^2) (x) where r= radius x=angle in radians...

    5 Answers · Science & Mathematics · 22/05/2010

  3. ... the area of a full circle. Area of circle: A = Pi*r^2 Area of sector : S = A /6 = (Pi/6)r^2 solve the last equation for r: r = sqrt(6S/Pi) put the value of 14 in for S and do the...

    4 Answers · Science & Mathematics · 23/09/2015

  4. The area of a sector is given by the equation A = ½r²θ, where θ is in radians. ...

    2 Answers · Education & Reference · 30/01/2010

  5. ...½(5/2)(5/2) sin(2arcsin(3/4)) = 75√(7)/64 ≈ 3.10. The area of the sector is (the circle has radius 3) A _s = ½(3)² 2arcsin(3/4) ≈ 7.63. The area of the region...

    1 Answers · Science & Mathematics · 14/01/2011

  6. for the sector . first find the area of a whole circle then work out what fraction the sector is . example a 90 degree sector is 90/360 part of a whole circle . (1/4) a segment is like a sector minus a triangle

    1 Answers · Education & Reference · 23/03/2013

  7. ...2) For the area you want to compute 50/360 times the area of the circle. A ( of the defined part of the circle) = (50/360)*π*r^2 = (5/36)*π*(16)^2...

    2 Answers · Science & Mathematics · 03/11/2008

  8. 1. equation for area of sector A : (transpose so you have r on one side) A = (.5)r^2(theta) r = (15*(2))^(.5)/(.3...

    1 Answers · Science & Mathematics · 16/04/2009

  9. take the internal angle to be t r+r+r(t)=100 A =0.5*r*r(t) from first equation you get r(t)=100-2r Substituting it into the second equation gives A =0.5*r*(100-2r) =50r-r*r

    1 Answers · Science & Mathematics · 28/09/2008

  10. ...360 degrees we can see that the this sector is 90/360=1/4 the area of a circle with radius r as described by the above equation . Thus, the area of this sector (As) can be written as... As=1/4*pi*r^2 plugging...

    3 Answers · Science & Mathematics · 29/11/2012

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