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  1. when the central angle is pi/2, it means the area which is given is the 1/4 of the total circle(because pi = 180 degrees and the total angle of a circle is 360, which is 2 pi). and the arc is given...

    2 Answers · Education & Reference · 20/04/2013

  2. ... by .208333 equals length of the arc which is 5.236 A calculator to check your work is located here: http://www.1728.com/circsect.htm (choose radius and central angle )

    4 Answers · Science & Mathematics · 12/07/2010

  3. ...2 arc length and 2 • 13π/18 = 13π/9 arc length Do out on your calculator to get it to 2 decimal places.

    2 Answers · Education & Reference · 19/01/2012

  4. arc length is in cm therefore radius is also in cm r = 8/pi cm

    3 Answers · Science & Mathematics · 20/04/2013

  5. ...we have stacked two right triangles on top of each other, each with a central angle of π/8 radians. The circle is a unit circle, so OQ...

    9 Answers · Science & Mathematics · 16/11/2015

  6. (55/360) pi (5.7)^2 = ... calculator

    1 Answers · Science & Mathematics · 22/12/2011

  7. ...3.4 x 114. So you just made a mistake entering it on the calculator . A radian is a measure of angle . There are 2pi radians of angle in a circle, so this is...

    2 Answers · Science & Mathematics · 18/01/2011

  8. ...let's convert the angle to radians. use the conversion on your calculator , or try angle / (360 / 2Pi). in unit analysis, make sure the degrees cancel...

    2 Answers · Science & Mathematics · 25/03/2007

  9. Central angle θ = π/2 (= 90°). That is 1/4 of the circle, so the arc length is 1/4 of the perimeter. perimeter = 2πr = 20π arc length = (¼)perimeter = 5π cm

    2 Answers · Science & Mathematics · 13/05/2009

  10. ...sector to the entire circle part : whole = part : whole angle of sector / angle of circle = area of sector / area of circle there are 360 ... / (pi * 2.8^2) A = 100pi * 2.8^2 / 360 (punch calculator buttons here...)

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

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