100 points !!!!!!!!!!!!!!!!!!!!!!!!!!


Answer:
Step-by-step explanation:
The angle measure we need is twice the angle ACB.
Find its measure considering AB = 4/2 = 2 in and BC = 6 in.
Use trigonometry:
The angle between the line segments is:
Step-by-step explanation:
Radius = Diameter/2
Radius = 4/2
Radius = 2 cm
Now,
tan <ACB = AB/BC
tan <ACB = 2/6
tan <ACB = ⅓
<ACB = 18.43
Now,
Angle = 2 × <ACB
Angle = 2 × 18.43
Angle = 36.86⁰