Question

7. In figure 'o' is the centre of a circle. The area of sector OAB is 5/18 of the area of the circle find X​

Answer 1

Solution :

Area of sector = 5/18 x area of circle

⇒ θ / 360 x πr^2 = 5 / 18 πr^2

⇒θ = 5 / 18 x 360 = 100°

Hope it May Help You!