This doesn’t make any sense to me sorry I can’t help
In a circle, the measure of an inscribed angle is half the measure of the intercepted arc.
∠BCD = arc BAD/2 ⇒ arc BAD = 2*∠BCD = 2*100 = 200°
arc BCD = 360° - arc BAD = 360° - 200° = 160°
∠d = arc BCD/2 = 160/2 =
80°
Since it is not perfectly straight it’s not linear so
*nonlinear association
The line goes down not up so it’s
*negative association
If your teacher wants to count the point outside of the regular line it would be no association
The two that most fit this graph are nonlinear and negative association
This is the concept of trigonometry, the sine, cosine and tangent of 11/6 pi radians will be as follows;
11/6pi=11/6*180=330
thus;
tan 330=-0.5774
sin 330=-0.5
cos 330=-0.8660