it is increased by

**a**factor**of**4**a sector**is**a**fraction f**of a**circle radius r.**Area of**the circle is pi * r * r**Area of**the**sector**is f x pi...14 Answers · Science & Mathematics · 16/08/2006

The problem states: "The

**area of a sector**is 5pie cm." I will assume it should state: "The**area of**...2 Answers · Science & Mathematics · 20/11/2013

the

**area of a sector**is given by the formula 1/2r*r*angle. where r is the radius which is 5cm in this case and angle is 85deg(85*pi/180radians) therefore 1/2 * 5 * 5 * 85 * pi / 180 = 18.544cm^22 Answers · Science & Mathematics · 27/01/2010

it is increased by

**a**factor**of**4**a sector**is**a**fraction f**of a**circle radius r.**Area of**the circle is pi * r * r**Area of**the**sector**is f x pi...4 Answers · Science & Mathematics · 27/02/2017

1)360/20 = 18 ; 2) 18/360 = 1/20 3)

**Area of**Circle is Pi X r^2. So r = 10 and Pi = 3.142. r^2 = 100 so**area of**full circle is 314.2 Each segment is 314.2/20 = 157.12 Answers · Science & Mathematics · 27/02/2017

**A**= pi * 150^2 * (175/360) Watch out for rounding on pi and the fraction:**A**= 3.1416 * 22500 * 0.4861... = 34,360.4646... which rounds down to 34,360**A**= (pi * 22500 * 175) / 360 = 34,361.16964 which rounds down to 34,3613 Answers · Science & Mathematics · 11/03/2011

pie*radius^2 (if you have the diameter half it to find the radius) this will give the

**area of**the circle (take pie as 3.142) then go: angle**of sector**(which sould be given) divided by 360 degrees multiply this by the**area of**the circle2 Answers · Science & Mathematics · 04/02/2007

**Area of**circle = pi r^2 = 64pi.**A**45 degree arc is 1/8**of**the circumference. Hence the**area of**its**sector**is 8pi = 25.13in^22 Answers · Science & Mathematics · 20/07/2012

1)360/20 = 18 ; 2) 18/360 = 1/20 3)

**Area of**Circle is Pi X r^2. So r = 10 & Pi = 3.142. r^2 = 100 so**area of**full circle is 314.2 Each segment is 314.2/20 = 157.11 Answers · Science & Mathematics · 27/07/2013

(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