In the following figure if O is the point of intersection of all lines then which line is parallel to the line AD.

Which line is parallel to line AB ?

Which lines are parallel in the following figure?

If a transversal intersects two parallel lines then each pair of consecutive interior angles is ________________________.

In the following figure, ____ and  _____  are parallel lines.

A line which intersects two or more lines at distinct points,is known as ___________ .

Which of the following are corresponding angles.

In the following figure,  _____  is a transversal.

In the given diagram ,  which of the following are interior angles  ?

Which are alternate angles in the following diagram

In the figure given below,which are parallel lines

Observe the figure given below and check which lines are parallel

Two parallel lines I and m are intersected by a transversal t. If the interior angles on same side of transversal are and  .  Find the measure of these angles.

AB and CD are two parallel lines. PQ cuts AB and CD at E and F Respectively. EL is the bisector of <FEB. If <LEB= . Then <CFQ  will be  ________________

In the given figure,if AB || CD, and ,find x and y.