SOLUTION: The perimeter of a sector is 9 meters and its radius is 3 meters. Compute the angle of the sector, area of the sector and the area of the segment.

Algebra ->  Circles -> SOLUTION: The perimeter of a sector is 9 meters and its radius is 3 meters. Compute the angle of the sector, area of the sector and the area of the segment.      Log On


   

Question 1180387: The perimeter of a sector is 9 meters and its radius is 3 meters. Compute the angle of the
sector, area of the sector and the area of the segment.
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
Sector Area = r² * α / 2.
L (arc) = %28%28theta%29%2F360%29+%2A+pi+%2A+6+
3*360/6 *pi = Theta
theta =57.3 deg
Area = (theta/360) * pi * r^2
Area = (57.3/360) * pi* 9
Area = 4.5cm^2