In the given figure, $\angle ACD={120}^{\circ }$
Find the value of $\angle BCD$.

Q. In the given figure, $\angle COE={90}^o$. Find the value of x.

Q.

Question 19

In the given figure, BC = CA and $\angle A={40}^{\circ }$. Then, $\angle ACD$ is equal to

a) ${40}^{\circ }$
b) ${80}^{\circ }$
c) ${120}^{\circ }$
d) ${60}^{\circ }$

Q. In the given figure, ABCD is a cyclic quadrilateral in which $\angle BAD={120}^{\circ }$. Find $\angle BCD$.

Q.
In the given figure, it is known, L1$\parallel$ L2 and $\angle$EBC = 130${}^{\circ }$ and $\angle$ACD = 60${}^{\circ }$. What is the value of $\angle$ACB?

Q.

ABCD is a cyclic quadrilateral, in which $\angle$DBC =80${}^{\circ }$ and $\angle$BAC = 40${}^{\circ }$ . Find $\angle$BCD.