By vector method show that ,
the perpendicular bsectors of the sides of a triangle are concurrent .

Prove analytically that the perpendicular bisector of the sides of a triangle ar concurrent.

Show that the perpendicular from the vertices of a triangle to the opposites sides are concurrent .

The perpendicular bisectors of the three side of an acute triangle intersect each other

The perpendicular bisector of the three sides of a right - angled triangle intersect each other

Prove analytically that the bisectors of the interior angles of a triangle are concurrent.

Show, by vector methods, that the angularbisectors of a triangle are concurrent and find an expression for the position vector of the point of concurrency in terms of the position vectors of the vertices.

The point of intersection in which the perpendicular bisector of these sides of a triangle intersect each other is called

By vector method show that , an angle inscribed in a semi - circle is a right angle ,

By vector method show that , median to the base of an isocales triangle is perpendicular to the base .

Using vector method show that the line joining the middle points of two sides of a triangle is parallel and half of the third side.