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**area of a**full**circle**.**Area of circle**:**A**= Pi*r^2**Area of sector**: S =**A**/6 = (Pi/6)r^2... and do the calculation on your**calculator**app. answer will be in units**of**...4 Answers · Science & Mathematics · 23/09/2015

The

**area of a circle**is pi*r^2 and there are 360 degrees in**a circle**- that's all the information you need (you can look up**a**value for pi if your**calculator**doesn't have it).1 Answers · Science & Mathematics · 30/05/2013

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**of**the**circle**= pi(4)^2 = 16pi 2/3**of**the**circle**= (2/3)(16)pi On to the**calculator**and work this out Next time:**Area of a sector of a circle**= (central angle)/(full rotation) (pi)(r^2) angle can be in degrees - one rotation...2 Answers · Science & Mathematics · 12/10/2009

The

**area of sector**is equal to the degree(70) over 360...225 Or 9.768(the 8 has**a**line over top to show it goes on... supposed to round, my**calculator**shows 9.7688888893 Answers · Science & Mathematics · 20/03/2013

...equation simply makes use

**of**the Law**of**Cosines to determine**a**couple**of**angles, in which one**circle sector**is added to another, minus**a**redundant triangle (where the**circle**sectors ...4 Answers · Science & Mathematics · 19/01/2008

**Area of sector**= Angle/360 x (pi x radius^2) (**Area of sector**x 360)/ (Angle x pi) = radius^2 Take the root**of**this...22.5 x 3.14)] You work it out. I don't have**a calculator**.6 Answers · Science & Mathematics · 05/08/2007

...with 3.14 or use your

**calculator**'s pi button. Here... you will see**a circle**inside**of a**square. The side length...**circle**. Finding the**Area of a Sector**Find out how big the...12 Answers · Education & Reference · 09/11/2009

... Formulas

**Calculator**for figuring this out.**Circle Sector Area**= (Radius ... answer is**a circle sector area of**221.22048269028, or 221...1 Answers · Science & Mathematics · 15/10/2010

For

**a circle of**radius r, the**area of a sector**subtending t radians at the ...**sector**. 4 sin(t) = 3t You'll need**a calculator**cleverer than mine to solve that, but...2 Answers · Education & Reference · 09/05/2008

KHP is

**a**fraction**of a**whole**circle of**360 degrees**Area of**whole**circle**= pi x r^2 = pi x 60^2... = 25 x 60^2 x pi /360 using**calculator Area**= 785 . 4 correct to 1 decimal...2 Answers · Science & Mathematics · 01/06/2011