Find the Measure of the Missing Angle(s) $a=123$ ?
A) $57^{\circ}$ B) $47^{\circ}$

Multiple Choice

Find the measure of the missing angle(s) .
-
$a=123$ ?

A) $57^{\circ}$
B) $47^{\circ}$
C) $52^{\circ}$
D) $67^{\circ}$