Find the area of the shaded region in the given figure, if radii of the two concentric circles with centre O are 7 cm and 14 cm respectively and ∠AOC = 40°.

Question

Find the area of the shaded region in the given figure, if radii
of the two concentric circles with centre O are 7 cm and 14 cm
respectively and ∠AOC = 40°

Gopal Mohanty · Accepted Answer

Radius of inner circle = 7 cm Radius of outer circle = 14 cm Area of shaded region = Area of sector OAFC − Area of sector OBED