Question 380954
IN A CIRCLE OF RADIUS 6 INCHES THE LENGTH OF THE ARC OF A SECTOR IS 6 PIE INCHES. WHAT IS THE AREA OF THE SECTOR?
Sol'n:
  Let S - the arc length
      r - the radius of the circle
  A = rS/2
    = 6(6pi)/2
  A = 18pi sq. inches ---answer

Note: it is pi the Greek word, not a pie, the dessert


rfadrogane,ree-rme