Find the Sector Area when radius equals 10 and θ (central angle) equals pi/5
Sector Area = (1/2)r^2 * theta (in rads)
So we have :
(1/2) (10^2) (pi/5) =
(1/2) (100/5) pi =
(1/2) (20) pi =
10 pi units^2
Thank you so much! 😊
OK, Pheonix.....!!!