Answer:
110 degrees
Step-by-step explanation:
I don't know if that is correct.
Set up an equation 20=k(0.4)....to find k divide 20 by 0.4
R = 60
60^2 * pi = 3600 * pi
angle = 30°
3600pi / 30 = 120pi
the answer is 120 * pi
The answer to this question is C<span>. $611.20 hope this helps :)</span>
