what is the formula for finding the area of a sector of a circle with radius r?

Question

anonymous · Answer

here is a link that shows you how to solve you question http://www.purplemath.com/modules/sectors.htm

cwrw238 · Answer

in terms of angle theta  at center (in radians ) it is 1/2  r^2 theta

cwrw238 · Answer

r = radius

anonymous · Answer

isnt it just (degree measure of sector/360)*3.14r squared?

anonymous · Answer

my link will help you understand your question

anonymous · Answer

well my choices are (degree measure of sector/360)*3.14r
(degree measure of sector/360)*2*3.14r
(degree measure of sector/360)*3.14r squared
(degree measure of sector/360)*3.14

cwrw238 · Answer

yes you can also define it terms of degrees and pi

anonymous · Answer

so which one is right?

cwrw238 · Answer

correct is (measure of sector / 360) *3.14 * r^2

cwrw238 · Answer

your 3rd option

anonymous · Answer

okayy thank you!

cwrw238 · Answer

yw