- Joined
- Jun 27, 2021
- Messages
- 5,386
- Reaction score
- 422
Set 6.1
David Cohen
David Cohen
s=arc length (in radians)
r=radius
theta=central angle in radians
if s=1ft, r=1ft
1ft=2pi*1ft(theta/360)
1ft/(2pi*1ft)=theta/360
1/2pi=theta/360
360/2pi=theta
theta=57.3radians
theta=43°