The circle which passes through all three vertices of a given triangle is called its circumcircle. It is said to circumscribe the triangle.
The centre of the circumcircle is called the circumcentre of the triangle.
Glossary
Circumcircle
The circle which passes through all three vertices of a given triangle is called its circumcircle. It is said to circumscribe the triangle.
The centre of the circumcircle is called the circumcentre of the triangle.