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Given a

**sector**with a radius of r and subtended by an angle of θ (in radians), the...: A = (1/2)r^2θ. Since r = 23 and θ = 45° = π/4, the**sector**has area: A = (1/2)(23)^2(π/4) = 529π/8 cm^2. I hope...3 Answers · Science & Mathematics · 05/09/2010

A

**sector**of angle 5π/12 radians is cut from a circle of radius 6 cm. ...3 Answers · Science & Mathematics · 17/04/2010

...of of a circle is pi*r^2. By proportions, the area of a

**sector**is (theta/2*pi)*pi*r^2 = r^2*theta/2 where theta is in radians...1 Answers · Science & Mathematics · 16/09/2008

**Sector**area = 24 pi Total area = 64 pi . . . (pi r^2)**Sector**= 24/64 of total area = 3/8 3/8 * 360° = 135 degrees1 Answers · Science & Mathematics · 14/04/2012

...would be: A = π * (5)^2 = 25π So the area of the shaded

**sector**would be: A(t) = A(s) + A(u) → A(s) = A(t...1 Answers · Science & Mathematics · 09/02/2011

Hi,

**Sector**AOB has a 120 degree angle so is 1/3 of the circle. Its...2 Answers · Science & Mathematics · 06/08/2013

Your

**sector**area formula is wrong, it should be theta/360 * pi*r^2. If you set ... in the same ratio to the radius of its base as the central angle of the**sector**is to the whole circle.2 Answers · Science & Mathematics · 28/10/2010

Ok, to find the area of a

**sector**or part of your circle; you first must find the area of the entire thing...this by dividing 30 (the number of degrees of your**sector**), by 360 (the number of degrees in the circle). By ...3 Answers · Science & Mathematics · 13/02/2017

Area of circle = π x 55.5 ² cm ² Area of

**sector**= (44.4 / 360) x π x 55.5 ² cm ² Area of**sector**= 1193 cm ² (to nearest whole number)6 Answers · Science & Mathematics · 02/08/2007

...it is a circle , perimeter is the circumference. If it is a

**sector**, then it is 2 X radius + length of the arc Radius = 8cm circumference...2 Answers · Science & Mathematics · 02/08/2012