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  1. (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

  2. There are two common (but not the only) methods to solve 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

  3. ... at the center between the two radius points at the ends of the arc . θ must be in radians] area of a sector = (1/2)θr²,[ this is the area between the arc, and the two radius ...

    1 Answers · Science & Mathematics · 10/12/2013

  4. The formula for arc length is a fraction of the whole circumference based on the central angle. The formula for sector area is a fraction of the whole area of a circle based on the central angle.

    1 Answers · Science & Mathematics · 16/07/2013

  5. Sectors are a bit like triangles with altitude r and base rθ, the arc length of the sector . So the area is (1/b)(base)(altitude... designed to make all these formulas simple.

    2 Answers · Science & Mathematics · 11/01/2010

  6. ... and: s = r θ where θ is the central angle in radians Area of sector = pi r^2 * θ/360 where θ is the central angle in degrees and: A = r^2 θ/2 where θ is the central angle in radians

    1 Answers · Science & Mathematics · 30/06/2013

  7. ... more than one way to find arc length and sector area . It depends on..., Height of segment, Central ...two of these, you can calculate the rest. ::::: A sector is a wedge of the ...

    1 Answers · Science & Mathematics · 10/07/2013

  8. we know the full length of a circle is nothing but... 2 x pi x r and also the internal angles total to 360 the length of an arc in this circle with theta...x r x theta / 360 put this formula in the question, then it will be...

    1 Answers · Science & Mathematics · 12/06/2009

  9. a = r ( theta ) and theta is the central angle in radians and r is the radius Area of circle / Area of sector = (degrees in circle of circumference) / arc angle Area of circle * arc angle / 360 = Area of sector .

    1 Answers · Science & Mathematics · 17/04/2014

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