**Area of**the**sector**(**A**) /**Area of**the**Circle**(PI * r^2) = central angle measure / 360 Solve it as**a**proportion like...1 Answers · Education & Reference · 18/04/2012

... We also know that a circle has 360° We're given the area of the sector as 24 π in² and we're asked to find out the measurement of the central angle...

3 Answers · Education & Reference · 20/05/2014

the

**area of a sector**= the number**of**degrees * the**area of**the**circle**square the radius, multiply times pi. the**area of**the**circle**is 81 pi...2 Answers · Education & Reference · 06/05/2013

...by two radii

**of a circle**and the arc the two ...subtend. The arc**of**the**circle**is equal... or radians**to**the central angle ...each r,the are**of sector**is simply**area of**entire**circle**times...2 Answers · Science & Mathematics · 19/05/2011

(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

...3 of the entire circle (120/360 = 1/3) so you multiply your area (12π) by 3 to get the total area of the circle Area of circle equals 12π x 3 = 36π now you know from elementary school that a circle 's area is πr^2 so πr^2=36π divide both sides by π...

4 Answers · Science & Mathematics · 15/11/2010

...pie = 3.142

**Area**: radius x radius x pie circumference ??? cant remember soz**to find**the**area of a sector circle**do the**area**as if it was**a**full**circle**(see above) then divide by 2 if it ...4 Answers · Education & Reference · 19/03/2008

...π • R²) • θ ⁄ (2π) = R² • θ ⁄ 2 where: Ac = area of circle ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ The perimeter of a sector is interesting. It is just: R + R...

5 Answers · Science & Mathematics · 05/06/2011

The pie shaped area has two straight sides and a curved edge. p=2r + rθ θ is in radians. θ=pi (70)/180. p=r(2+(7/18)pi)=28 r=28/(2+(7/18)pi)=8.69 cm

3 Answers · Science & Mathematics · 16/10/2015

... the entire

**circle**,**area**= pi r^2 Your**sector**is 1/12 th**of**the**circle**[ (pi/6) / (2 pi)] so**area of**the**sector**is pi r^2 / 12 Since r = 5**area**= 25 pi / 12 Likewise...2 Answers · Science & Mathematics · 15/01/2008