Linear pair of angles
Linear pair of angles:
Two adjacent angles are said to
form a linear pair of angles if their
non commercial arcs are two opposite
rays.
If a transversal C intersects two parallel
lines a and b then.
i> Each pair of interior alternate angles are equal.
ii> Each pair of consecutive interior angles are supplementary.
Note:converse of (i) and (ii) is also true.

Linear pair of angles