In the given figure, ∠OAB=110∘ and ∠BCD=130∘ then ∠ABC is eq

1.	In the given figure, ∠OAB=110∘ and ∠BCD=130∘ then ∠ABC is equal to (a) 40∘ (b) 50∘ (c) 60∘ (d) 70∘
Answer» In the given figure, $∠ O A B = 110^{\circ}$ and $∠ B C D = 130^{\circ}$ then $∠ A B C$ is equal to (a) $40^{\circ}$ (b) $50^{\circ}$ (c) $60^{\circ}$ (d) $70^{\circ}$

In the given figure, ∠OAB=110∘ and ∠BCD=130∘ then ∠ABC is equal to (a) 40∘ (b) 50∘ (c) 60∘ (d) 70∘

Answer»

In the given figure, $∠ O A B = 110^{\circ}$ and $∠ B C D = 130^{\circ}$ then $∠ A B C$ is equal to

(a) $40^{\circ}$

(b) $50^{\circ}$

(d) $70^{\circ}$