Uhhh 0.3 or 1.2 lol hope this helps
Hello!
The angles are supplementary meaning they add to 180°
a + 2a + 3 = 180
Combine like terms
3a + 3 = 180
Subtract 3 from both sides
3a = 177
Divide both sides by 3
a = 59
the answer is 59°
Hope this helps!
Answer:
137
Step-by-step explanation:
A straight line is 180 so take 180 and subtract 43
The quotient for the question is: -343