first

**of**all, "theata" is ... saying is that**A**= 1 / TR, this is not the correct**formula**in actuality,**A**= 1 /2 * T...1 Answers · Science & Mathematics · 18/06/2008

...angle, not length. What you have is an arc that subtends an angle of 105°. Let θ be the subtended angle in radians. θ = 1.832595715 r = 18 cm area = r²(θ-sinθ)/2 = 18²(1.832595715-sin(1.832595715))/2 = 324(1.832595715...

1 Answers · Science & Mathematics · 12/04/2009

... if you use proportions. Find the area of the entire circle A = π18² = 324π, for the entire 360° Now use the proportion to find the area of the sector , x 360°/324π = 105°/x 360x = 34020π x = 94.5 π in² (the area of the...

1 Answers · Science & Mathematics · 08/03/2009

In general, to do

**area of sector**problems, you want to find the total**area of**the**circle**and then find only the**area of**that...**circle**can be found by the**formula A**= pi*r^2. Now, what you...7 Answers · Science & Mathematics · 13/01/2009

... in radians, arc length is simply rx. The

**area of a circle**is pir^2 So**area of a sector**x/360 *pir^2 if x measured in degrees, and is xr^2/2 if...1 Answers · Science & Mathematics · 13/11/2007

...

**of**the**sector**having**a**central angle**of**150 degrees and has**a**radius**of**8 meters.**formula of**the**area of**the**sector**= PI*R^2*CENTRAL ANGLE over 360 degrees...1 Answers · Business & Finance · 20/02/2010

The ‘ area of a circle sector ’ formula is πr^2*θ/360, where θ is measured in degrees...

4 Answers · Science & Mathematics · 19/12/2010

The

**area**is theta/2 for the unit**circle**. It's that simple. Or r^2*theta/2 if you want. Theta is,**of**course, in radians.2 Answers · Science & Mathematics · 31/10/2011

To derive the formula for a circle C with radius r centered at (0, 0), The area of C is the area A ...we divide A into many equal sectors , each with arc-length Δθ...

6 Answers · Science & Mathematics · 15/05/2009

The area of a sector of circle of radius R swept by a central angle Θ (in... circle 2π/Θ of the area of the whole circle ...ratio gives the above formula A = πR²...

5 Answers · Science & Mathematics · 18/02/2012