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The circumcentre of the triangle ABC is ...

The circumcentre of the triangle ABC is O . Prove that `angle OBC+angle BAC=90^@`.

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To prove that \( \angle OBC + \angle BAC = 90^\circ \), where \( O \) is the circumcenter of triangle \( ABC \), we can follow these steps: ### Step-by-Step Solution: 1. **Identify the Elements**: - Let \( O \) be the circumcenter of triangle \( ABC \). - Draw the triangle \( ABC \) and mark the circumcenter \( O \). ...
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