What is the value of y?
ОА. 73°
ОВ. 549
Ос. 63°
Op. 1269

Answer:
C
Step-by-step explanation:
The sum of the 3 angles in a triangle = 180°
Sum the 3 given angles and equate to 180
y + y + 54 = 180
2y + 54 = 180 ( subtract 54 from both sides )
2y = 126 ( divide both sides by 2 )
y = 63° → C