A \; = \; | \vec{ F }|.| \vec{ OO' }|.cos(φ)  

O = (-0.2989269385965663, 0.03015540557656724)
B = (1.2034692370408782, 1.1256526169788705)
F = Vector(O, B)
O' = (2.3250497153813314, 0.040588712351827275)
S = Segment(O, O')
φ = Angle(O', O, B)