...radius, which is all you need

**to find the area of the**circle. You square**the**radius...**the**whole circle, and**the area of the sector**. You also know that**the**angle**of a**full circle is 360 degrees...2 Answers · Education & Reference · 25/03/2013

area of the circle = πr² angle of sector = 2π·( area of sector )/( area of circle)

1 Answers · Science & Mathematics · 27/03/2013

First

**find the**angle**of the sector**,**in radians**or degrees. Then...**radians**. For example**a**60 degree**sector**has fraction... that fraction by pi * r^2. (**Area of the**whole circle)2 Answers · Science & Mathematics · 18/07/2009

**The**methid for**area of a sector**is**find the**fraction (angle required)/(360) x (**area of**full circle) Or if**in radians**(angle)/2 x r^2 because**the**pi parts cancel. (**a**)**A**= 71/360 x pi x...2 Answers · Science & Mathematics · 02/12/2014

**sector area**= pir^2*(central angle/360) if angle is**in**degrees =pir^2*(central angle/2pi) if angle is**in radians area**= pi 16^2 (240/360) = 256(2/3)pi = 512pi/33 Answers · Science & Mathematics · 11/04/2010

π is the symbol for pi The area of a sector is always equal to : ( the sector angle in radians / 2π) * πr^2 So, for your problem, this becomes: (π/6...

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

...only) methods

**to**solve this. First...formula) Note that**the**formula for**the area of a sector**is 1/2 * r^2...circle (which is 4m**in**this case) and theta... by**the sector in radians**(which is pi/2...1 Answers · Science & Mathematics · 03/07/2013

...3)(16)pi On

**to the**calculator and work this out Next time:**Area of a sector of a**circle = (central...pi)(r^2) angle can be**in**degrees - one... angle can be**in radians**- one rotation = 2pi**radians**...2 Answers · Science & Mathematics · 12/10/2009

...two radii

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

Sectors are a bit like ...and base rθ, the arc length of the sector . So the area is (1... just plug in r = 18.8 and...: radians are designed to make all these...

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