Answer:
Hello! answer: a = 107
Explanation:
This is a supplementary angle meaning it will add up to 180 degrees so...
180 - 73 = 107 therefore a = 107 hope that helps!
107
The two angles form a straight line so they add to 180 degrees
73+a = 180
Subtract 73 from each side
a = 180-73
a = 107
3.3m questions
4.2m answers