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1.
Circle arc - verison 1
$ s = r \cdot x $
Arc
Circle
Variables:
s
→
Circle arc
r
→
Circle radius
x
→
Central angle in radians
2.
Circle arc
$ s = \dfrac{\pi r \alpha}{180\degree} $
Arc
Circle
Variables:
s
→
Circle arc
r
→
Circle radius
α
→
Central angle in dgrees
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