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  1. Area of the sector ( A ) / Area of the Circle (PI * r^2) = central angle measure / 360 Solve it as a proportion like...

    1 Answers · Education & Reference · 18/04/2012

  2. ... We also know that a circle has 360° We're given the area of the sector as 24 π in² and we're asked to find out the measurement of the central angle...

    3 Answers · Education & Reference · 20/05/2014

  3. the area of a sector = the number of degrees * the area of the circle square the radius, multiply times pi. the area of the circle is 81 pi...

    2 Answers · Education & Reference · 06/05/2013

  4. ...by two radii of a circle and the arc the two ...subtend. The arc of the circle is equal... or radians to the central angle ...each r,the are of sector is simply area of entire circle times...

    2 Answers · Science & Mathematics · 19/05/2011

  5. (30/360)*π(4)^2 Find area of 30 out of the 360 degrees and use area formula

    1 Answers · Science & Mathematics · 18/02/2012

  6. ...3 of the entire circle (120/360 = 1/3) so you multiply your area (12π) by 3 to get the total area of the circle Area of circle equals 12π x 3 = 36π now you know from elementary school that a circle 's area is πr^2 so πr^2=36π divide both sides by π...

    4 Answers · Science & Mathematics · 15/11/2010

  7. ...pie = 3.142 Area : radius x radius x pie circumference ??? cant remember soz to find the area of a sector circle do the area as if it was a full circle (see above) then divide by 2 if it ...

    4 Answers · Education & Reference · 19/03/2008

  8. ...π • R²) • θ ⁄ (2π) = R² • θ ⁄ 2  where: Ac = area of circle ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ The perimeter of a sector is interesting. It is just: R + R...

    5 Answers · Science & Mathematics · 05/06/2011

  9. The pie shaped area has two straight sides and a curved edge. p=2r + rθ θ is in radians. θ=pi (70)/180. p=r(2+(7/18)pi)=28 r=28/(2+(7/18)pi)=8.69 cm

    3 Answers · Science & Mathematics · 16/10/2015

  10. ... the entire circle , area = pi r^2 Your sector is 1/12 th of the circle [ (pi/6) / (2 pi)] so area of the sector is pi r^2 / 12 Since r = 5 area = 25 pi / 12 Likewise...

    2 Answers · Science & Mathematics · 15/01/2008

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