Lines and Angles Quiz 7

From the given figure $\angle DOC$ =

Which of the following is different ?

In the given triangle is it possible to exist all exterior angles as right angles.

In the figure linear pair of angles are

In the figure $l\,||\,m$, then x =

In the figure $l\,||\,m$, then y =

In the figure $l\,||\,m$ and n is a transversal, and if $\overrightarrow{AC}$ and $\overrightarrow{BC}$ are the bisector to interior angles $\angle A$ and $\angle B$; $\angle ACB$ =

In the figure $p\,||\,q$ then the relation between x and y is

In the figure $l\,||\,m$, then the value of y is

In the figure $l\,||\,m$ and n is a transversal $\overrightarrow{AC}$ and $\overrightarrow{BD}$ are the bisectors to interior angles $\angle A$ and $\angle B$; then the value of ‘a’ is