Answer :- ∠1 and ∠2 are right angles, vertical and supplementary angles.
Explanation:-
From the given diagram we can see there is intersection of two lines and form right angle.
⇒The lines are perpendicular lines and∠1 and ∠2 both are vertically opposite angles [ pair of opposite angles made by two intersecting lines].
⇒∠1 and ∠2 are also a right angle.
⇒ ∠1=∠2=90°
⇒∠1+∠2 =180° [sum of two right angles is 180°]
⇒∠1 and ∠2 supplementary angles.
