Theorem: Imo2019P2.Imo2019q2Cfg.symm_ω_eq_trianglePQB₂_circumsphere (Compfiles/Imo2019P2.lean)

State before:
V : Type u_1
Pt : Type u_2
inst✝³ : NormedAddCommGroup V
inst✝² : InnerProductSpace ℝ V
inst✝¹ : MetricSpace Pt
inst✝ : NormedAddTorsor V Pt
hd2 : Fact (finrank ℝ V = 2)
cfg : Imo2019q2Cfg V Pt
⊢ cfg.symm.ω = circumsphere cfg.trianglePQB₂
Tactic:
rw [ω, symm_triangleQPA₂]
State after:
no goals