In the given figure, O is the centre of a circle. If ∠OAB=40∘ and

1.	In the given figure, O is the centre of a circle. If ∠OAB=40∘ and C is a point on the circle then ∠ACB=? (a) 40∘ (b) 50∘ (c) 80∘ (d) 100∘
Answer» In the given figure, O is the centre of a circle. If $∠ O A B = 40^{\circ}$ and C is a point on the circle then $∠ A C B = ?$ (a) $40^{\circ}$ (b) $50^{\circ}$ (c) $80^{\circ}$ (d) $100^{\circ}$

In the given figure, O is the centre of a circle. If ∠OAB=40∘ and C is a point on the circle then ∠ACB=? (a) 40∘ (b) 50∘ (c) 80∘ (d) 100∘

Answer»

In the given figure, O is the centre of a circle. If $∠ O A B = 40^{\circ}$ and C is a point on the circle then $∠ A C B = ?$

(a) $40^{\circ}$

(b) $50^{\circ}$

(d) $100^{\circ}$