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  1. ... Area of circle: A = Pi*r^2 Area of sector : S = A /6 = (Pi/6)r^2 solve the last equation for... and do the calculation on your calculator app. answer will be in units of ...

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

  2. The area of a sector is given by the equation A = ½r²...(8.5)²(8π/45) = 20.176 Make sure your calculator is in the appropriate mode.

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

  3. The area of a circle is pi*r^2 and there are 360 degrees in a circle - that's all the information you need (you can look up a value for pi if your calculator doesn't have it).

    1 Answers · Science & Mathematics · 30/05/2013

  4. Area of sector = Angle/360 x (pi x radius^2) ( Area of sector x 360)/ (Angle x pi) = radius^2 Take the root of this...22.5 x 3.14)] You work it out. I don't have a calculator .

    6 Answers · Science & Mathematics · 05/08/2007

  5. ... of the circle = pi(4)^2 = 16pi 2/3 of the circle = (2/3)(16)pi On to the calculator and work this out Next time: Area of a sector of a circle = (central angle)/(full rotation) (pi)(r^2) angle can be in degrees...

    2 Answers · Science & Mathematics · 12/10/2009

  6. The area of sector is equal to the degree(70) over 360...225 Or 9.768(the 8 has a line over top to show it goes on... supposed to round, my calculator shows 9.768888889

    3 Answers · Science & Mathematics · 20/03/2013

  7. ... 1 / 3 the area of the triangle, and therefore the triangle is 3 / 4 the area of the sector . 4 sin(t) = 3t You'll need a calculator cleverer than mine to solve that, but using Excel ...

    2 Answers · Education & Reference · 09/05/2008

  8. ... Formulas Calculator for figuring this out. Circle Sector Area = (Radius ... answer is a circle sector area of 221.22048269028, or 221.220...

    1 Answers · Science & Mathematics · 15/10/2010

  9. KHP is a fraction of a whole circle of 360 degrees Area of whole circle = pi x r^2 = pi x 60^2... = 25 x 60^2 x pi /360 using calculator Area = 785 . 4 correct to 1 decimal...

    2 Answers · Science & Mathematics · 01/06/2011

  10. ... of sector / angle of circle = area of sector / area of circle there are 360 degrees in a circle, but we only want 100 ... A = 100pi * 2.8^2 / 360 (punch calculator buttons here...)

    1 Answers · Science & Mathematics · 22/06/2009

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