### Theory:

• The circumcentre is where the Perpendicular bisectors on the sides of a triangle meet. Typically denoted as $$S$$.
• The circle that passes all three vertices of the circumcenter $$(S)$$ triangle as the center is called the circumcircle.
• The line segment from any triangle vertex to the Circumcentre of a given triangle is called the circumcircle of the circumradius.
• The orthocenter is the central focus of the triangle's altitudes. Normally it's denoted by $$H$$.