... for

**area of sector**is:**area of sector**/**area of**circle = angle**of sector**/ 360 (which is angle**of**circle) Asector... should be able to solve now....but still....**A of sector**= ( pi*8^2 ) * ( 54/360 )4 Answers · Science & Mathematics · 07/02/2010

... equal to: pi(r)²/360(since it is a circle angles at a point add up to 360)= area of sector / corresponding angle so pi(13)²/360= A /150 169pi/360= A ...

5 Answers · Science & Mathematics · 04/06/2010

... must have learned the

**area of a sector**formula in terms of ...into the RADIAN formula for area of sector it does become yπ... becomes .....yπ A =▬▬▬ x.. r² .....360 where...2 Answers · Science & Mathematics · 12/02/2013

...it is

**a**fraction**of a**complete circle. You need to find the fraction**of a**circle. It is 34 / 360 (based on the angle). So the**area of**this**sector**is: 34 / 360 x pi x r^2 = 34 / 360 x 3.1416 x 5 ^ 2 = 7.42 cm(...6 Answers · Science & Mathematics · 20/04/2008

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) = (1/2)(r)(rθ) = (1/2) r^2 θ. So just plug...

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

...fraction

**of**either 360 degrees or 2 pi radians. For example**a**60 degree**sector**has fraction 1/6 Multiply that fraction by pi * r^2. (**Area of**the whole circle)2 Answers · Science & Mathematics · 18/07/2009

... concepts to be used are as follows: Area of the full circle with radius of 8cm is = Π*8^2 = 64Π The total degrees within a circle = 360 degrees The shaded portion = 360-240 = 120 ...

1 Answers · Science & Mathematics · 02/05/2008

...

**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

**Area of a sector**of a circle = πr²θ/360° There are 2 sectors of 125° and the radius is 8 A = 2×π×8²×125/360 = (400/9)πin² ≈ 139.63in²2 Answers · Science & Mathematics · 25/04/2010

The area of a circular sector with radius r and central angle θ (in radians) is... = 70.56 cm² ≈ 221.7 cm² The area of the sector is 27.6 cm², which is 27.6/221.7 ≈ 0...

2 Answers · Science & Mathematics · 09/01/2013