In ΔABC,BD⊥AC and CE ⊥AB. If BD and CE intersect at O , prove that ∠BOC=180∘−∠A.

In ΔABC,BD⊥AC and CE ⊥AB. If BD and CE intersect at O , prove th

1.	In ΔABC,BD⊥AC and CE ⊥AB. If BD and CE intersect at O , prove that ∠BOC=180∘−∠A.
Answer» In $Δ A B C, B D ⊥ A C$ and CE $⊥ A B .$ If BD and CE intersect at O , prove that $∠ B O C = 180^{\circ} - ∠ A .$