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  1. The sector of a circle has an area of 24π in^2 and the radius is...in circle......degrees in sector ..........----------------------- = -------------------------- ............. area of circle............ area of sector ...

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

  2. 30/360 = 1/12 of a complete circle. If the arc is... half that, or 36. The area of the complete circle is pi * 36^2, or 1296 pi. The area of the sector is 1/12th of that. 1296pi...

    2 Answers · Science & Mathematics · 25/01/2008

  3. ...this. First method: (By formula) Note that the formula for the area of a sector is 1/2 * r^2 * theta, where r is the radius of the circle (which ...

    1 Answers · Science & Mathematics · 03/07/2013

  4. ...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

  5. ...now instead of finding the area of the whole pizza, you will only find the area of the 1 slice. since your radius is 5 cm then you need to take the area formula for a circle and plug the values you have A = Pi * r^2 for ...

    3 Answers · Science & Mathematics · 13/08/2011

  6. ...formula (like me) you can always do a proportion the whole circle 360 degrees - 225pi cm then the sector 240 degrees - x cm 360/225pi...or, 240 represents 2/3 of the circle, so find 2/3 of the area of the circle.

    4 Answers · Science & Mathematics · 05/06/2010

  7. Area of circle = π x 55.5 ² cm ² Area of sector = (44.4 / 360) x π x 55.5 ² cm ² Area of sector = 1193 cm ² (to nearest whole number)

    6 Answers · Science & Mathematics · 02/08/2007

  8. Sector Area in degrees = (degrees)/360 * 3.1415 * r^2 but you need to know the degrees of the angle! length of an arc = degrees * 3.1415/180 * r so before you can calculate...

    2 Answers · Education & Reference · 14/06/2012

  9. ...in the sector times the area of the entire circle. This gives a formula for the area of the sector , which is: 20-2r -------.X.πr² = 2πr (20 - 2r)πr²...

    2 Answers · Science & Mathematics · 11/09/2007

  10. ... A = pi * r^2 A = pi * 10^2 A = 100 * pi The circumference of the whole circle is: d = 2r d...pi * 20 The ratio between the area of the circle and the area of the sector is the same as the ratio between...

    2 Answers · Science & Mathematics · 21/06/2010

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