What is Transversal Line?

Lines $a\parallel b$ and $c$ is transversal, then $\angle y=$_____$°$

In the figure, the lines $l$ and $m$ are parallel.

$\angle 4$ and $\angle 5$ are a pair of _____ angles. (co-interior/allied)

Fill in the blanks by looking at the following picture.

$\angle 3$and $\angle K$ are angles of one side of the transversal line. The value of $K$ is _____.

When three parallel lines are intersected by a transversal, _____ pairs of corresponding angles are formed.

The internal bisectors of co-interior angles are _____ to each other. (perpendicular/parallel)

In the adjoining figure, each angle is shown by a letter. Fill in the blank with the help of the figure.

Interior alternate angles.

$\angle w$ and $\angle$_____.

Lines $l\parallel m$ and $t$ is transversal, then $\angle x$_____$°$

In the figure, $l\parallel m.$

$\angle 3$ and $\angle$_____ form a pair of co-interior angles.

Fill in the blanks by looking at the following picture.  

$\angle 2$and$\angle \mathrm{K}$are alternate angles.The value of $K$ is _____

When two parallel lines are intersected by two transversal then _____ pairs of alternate angles are formed.

When one pair of alternate angles are equal to $45°$ then the second pair of alternate angles will be equal to _____$°$.

In the adjoining figure, each angle is shown by a letter.

Interior alternate angles $\angle s$ and $\angle$_____.

_____ lines in a plane never meet.

Fill in the blanks by looking at the following picture.

$\angle 2$and $\angle K$ are corresponding angles. The value of $K$ is _____

In the given figure, the alternate interior angle for $\angle b$ is $\angle$_____.

Fill in the blanks by looking at the following picture.

 $\angle 2$ and$\angle K$ are interior angles on the same side of the transversal. The value of $K$ is _____.

If one co-interior angle is $42°$ then the other co-interior angles will be _____$°$.