The area of a sector of a circle with a radius of 4 centimeters is 2.512 square centimeters. The estimated value of π is 3.14. The measure of the angle defining the sector is °.'
Area = (theta/360) pi r^2 where theta is the angle of the sector subs by your givens in the above equation 2.512 = (theta/360) pi (4)^2 theta = (2.512 360) /(pi(4)^2) theta = 18 degree
