Prove that the perpendicular at the point of contact to the tangent to a circle passes through the centre of the circle.

Prove that the perpendicular at the points of contact to the tangents to a circle passes through the centre.

The perpendicular at a point of contact to the tangent to a circle passes through the centre.

Prove that perpendicular at the point of contact to the tangent to circle passes through the centre.

Does the. normal at any point on a circle passes through the centre of the circle ?

The line joing the points of contact of two parallel tangents to a circle passes through the centre.Prove it.

Prove that the line segment joining the points of contact of two parallel tangents of a circle, passes through its centre.

Prove that the line segment joining the points of contact of two parallel tangents passes through the centre.

Prove that the line joining the mid-point of a chord to the centre of the circle passes through the mid-point of the corresponding minor arc.

Prove that the line joining the mid-point of a chovd to the centre of the circle passes through the mid-point of the corresponding minor arc.

Prove that the segment joining the point of contact of two parallel tangents passes through the centre.