Answer:
y = 84°
Step-by-step explanation:
54 + 42 = 96
180 - 96 = 84
84° is the missing value
Hope this helps!
y=84
They are all on a straight line. A straight line has 180 degrees. So you have to set the equation to 180.
54+42+y=180
Simplify
96+y=180
Subtract 96 from both sides.
