α = 1.9198621771937625 rad (slider from 0 to 6.283185307179586, step 0.017453292519943295)
A = (1.08, 1.48)
B = (3.52, 4.66)
c = Circle(A, B)
B' = Rotate(B, α, A)
β = Angle(B, A, B')
a = Segment(B', B)
b = Segment(A, B')
d = Segment(A, B)
e = CircleArc(A, B, B')

Tool: Επίκ
γωνία,κέντρο,σημείο
Input: α, A, B
Output: β, B', b, d, a, e

B' = Rotate(B, α, A)
β = Angle(B, A, B')
a = Segment(B', B)
b = Segment(A, B')
d = Segment(A, B)
e = CircleArc(A, B, B')