vertex.i_think.">its called the vertex. i think.
vertex
vertex
a meeting point of two lines that form an angle; a corner.
The point in which all the angle bisectors intersect is called the incenter.
A straight corner
the vertex
A square corner is a 90° angle which is called a "Right angle".
angle
right...Each corner of a square is called a "right angle" and measures 90 degrees with a protractor.a 90o angle, also called a right angle
vertex
vertex
a meeting point of two lines that form an angle; a corner.
The point of the angle is called the vertex.
The point in which all the angle bisectors intersect is called the incenter.
The vertex of the angle.
A straight corner
The common end point of the sides (or arms) of an angle is the vertex of the angle.