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**area**that is one-sixth the**area of a**full**circle**.**Area of circle**:**A**= Pi*r^2**Area of sector**: S =**A**/6 = (Pi/6)r^2 solve the last equation for r: r = sqrt...4 Answers · Science & Mathematics · 23/09/2015

... by two radii

**of a circle**and the arc the two radii subtend. The arc**of**the**circle**is equal in ... each r,the are**of sector**is simply**area of**entire**circle**times x/360...2 Answers · Science & Mathematics · 19/05/2011

The clock face is 360degrees giving: 1min = 6degress or 1/60

**of**the**area**1hr = 30degress + 0.5degress(each minute after the hour) or 1/12 + 1/720 per minute Knowing**A**=pi*r^2 for the whole**area**and: r for the minute hand is 8.4cm r for the hour...1 Answers · Science & Mathematics · 05/11/2013

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...can be found by the formula**A**= pi*r^2. Now, what you...7 Answers · Science & Mathematics · 13/01/2009

set up simultaneous equations 0.5 X R X R X

**sector**angle = 3 2R + (R X**Sector**Angle) = 7 solve for R5 Answers · Science & Mathematics · 08/09/2007

first

**of**all, "theata" is spelled "theta" anyway...and radius R so what you are saying is that**A**= 1 / TR, this is not the correct formula in actuality,**A**...1 Answers · Science & Mathematics · 18/06/2008

The area of a sector given the radius of the sector and the angle θ (in radians) is...2. Since θ = 195° = 13π/12 radians and r = 45, the area of the sector is: A = (1/2)θr^2 = (1/2)(13π/12)(45)^2 = 8775π/8 in^2. I hope this ...

3 Answers · Science & Mathematics · 09/09/2010

...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

...now instead

**of**finding the**area of**the whole pizza, you will only find the**area of**the 1 slice. since your radius is 5 cm then you need to take the**area**formula for**a circle**and plug the values you have**A**= Pi * r^2 for your...3 Answers · Science & Mathematics · 13/08/2011

...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