[tex]\huge\mathfrak\red {Answer:}[/tex]
If the angle above b is 54° then,
a = 54°
(Corresponding angles of a parallel line)
b = 126°
(Cause <b and 54° form a linear pair which is 180° and 180° -54° = 126°)
[tex]\mathfrak\purple {Hope\: this\: helps\: you...}[/tex]
