That's pretty much a tricky question though
Cos 210° = cos ( 180° + 30° ) - cos 30° = - √3/2
Answer:
8x+140=180
8x=40
x=5°
Step-by-step explanation:
Sum of angles in a straight line=180°
X ≤ 19.2
..............................
Answer:
35
Step-by-step explanation:
just trust me its the total
