Calculate the area of a sector of a circle which subtending an angle 45degree at the Centre of the circle of radius 14centimeter.
total area = pi R^2
45 / 360 = 1 / 8 .... but you knew that !
so
pi R^2 / 8
45 / 360 = 1 / 8 .... but you knew that !
so
pi R^2 / 8