In the given figure, O is the center of a circle in which ∠OAB=20∘

1.	In the given figure, O is the center of a circle in which ∠OAB=20∘ and ∠OCB=50∘. Then, ∠AOC=? (a) 50∘ (b) 70∘ (c) 20∘ (d) 60∘
Answer» In the given figure, $O$ is the center of a circle in which $∠ O A B = 20^{\circ}$ and $∠ O C B = 50^{\circ} .$ Then, $∠ A O C = ?$ (a) $50^{\circ}$ (b) $70^{\circ}$ (c) $20^{\circ}$ (d) $60^{\circ}$

In the given figure, O is the center of a circle in which ∠OAB=20∘ and ∠OCB=50∘. Then, ∠AOC=? (a) 50∘ (b) 70∘ (c) 20∘ (d) 60∘

Answer»

In the given figure, $O$ is the center of a circle in which $∠ O A B = 20^{\circ}$ and $∠ O C B = 50^{\circ} .$ Then, $∠ A O C = ?$

(a) $50^{\circ}$

(b) $70^{\circ}$

(d) $60^{\circ}$