Question

The point of intersection of all the three perpendicular bisectors of a triangle is called .

Answer 1

$\underset{–}{\text{Circumcentre:}}$
The point of intersection of all the three perpendicular bisectors of a triangle is called the circumcentre of the triangle.


Here, $DO,OF$ and $OE$ are perpendicular bisectors of the given triangle.
They meet at point $O.$

$\therefore O$ is the circumcentre of the $△ABC.$