Find the degree measure of angle in the following linear pair 

Find the degree measure of angle in the following linear pair  

List the following pairs under two groups, complementary angles and supplementary angles  

$\left(130°,50°\right), \left(55°,35°\right), \left(100°,80°\right), \left(70°,20°\right), \left(50°,40°\right), \left(60\raisebox{1ex}{$1$}\!\left/ \!\raisebox{-1ex}{$2$}\right.°,29\raisebox{1ex}{$1$}\!\left/ \!\raisebox{-1ex}{$2$}\right.°\right), \left(100.5°,79.5°\right), \left(22\raisebox{1ex}{$1$}\!\left/ \!\raisebox{-1ex}{$2$}\right.°,67\raisebox{1ex}{$1$}\!\left/ \!\raisebox{-1ex}{$2$}\right.°\right)$

In the following figures mark the vertically opposite angles. Which of these are equal to each other? 

In the following figure state whether the line $l$ is a transversal. 

In the following figure state whether the line $l$ is a transversal.  

In the following figure state whether the line $l$ is a transversal.   

In the following figure, find $x$ and $y$, if $PQ\parallel BC$. 

The arms of two angles are parallel as shown in the following figure. If $\angle 1=70°$ find $\angle 2$.