Linear Pair

Two angles making a linear pair are always adjacent angles. 

If two lines intersect at a point, then all pairs of adjacent angles are supplementary.

Find the value of $x$ in the following figure.

In the given figure, $\angle 1=2x-10°$ and $\angle 2=3x+20°$, find $x$ and hence $\angle 1$ and $\angle 2$.

Find the measure of angle $x$ in the following figure.

Find the measure of angle $x$ in the following figure.

Two angles have common vertex and common arm. Can we say they are adjacent?

Two lines l and m intersect at a point O. If $\angle x=100°$, find the measure of angles $\angle 1, \angle 2 \mathrm{and} \angle 3$.

In the given figure, what value of x will make AOB a straight line?

Can two obtuse angles form a linear pair?

A linear pair is formed by two _____ angles that are supplementary.

In the adjoining figure, sum of $x, y$ and $z$ is _____.